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Features1. Comes with RM500U-CN core module, supports 5G and LTE-A multi network types, supports 5G NSA and SA networking 2. Integrates extensive network protocols, with multi drivers and software support, compatible with different OS including Windows / Linux / Android 3. USB 3.1 port (USB 2.0 compatible) for connecting to PC, Raspberry Pi, or Jetson Nano host board to enable high speed 5G communication 4. Standard M.2 B KEY slot, compatible with different 5G modules: RM500U-CN / RM500Q-CN / RM500Q-GL series 5. Onboard UART, PWR, and RST control pin, built-in voltage level translator, enabled via DIP switch, for use with hosts like Raspberry Pi or Arduino 6. Onboard USB-C connector, enabled via switch, for connecting standalone power supply for the module, allows more loads, stable amd flexible power supply 7. Onboard power supply on/off switch, reset button and LED indicator, easy to turn on/off the module or monitor the operating status 8. 2x SIM card slot, dual card single standby, switchable via AT command 9. High efficiency power supply circuit, up to 3A output currentSpecificationsFrequency band: 1. 5G: - 5G NR: 3GPP Release 15 NSA/SA operation, Sub-6 GHz - 5G NR NSA: n41, n78, n79 - 5G NR SA: n1, n28, n41, n77, n78, n79 - Downlink: 4 x 4 MIMO n1, n41, n77, n78, n79 2. LTE: - LTE Category: Downlink Cat 12, uplink Cat 13 - LTE-FDD: B1, B2, B3, B5, B7, B8, B20, B28 - LTE-TDD: B34, B38, B39, B40, B41 - Downlink 2 x 2 MIMO: B1, B2, B3, B5, B7, B8, B20, B28, B34, B38, B39, B40, B41 3. UMTS: WCDMA: B1, B2, B5, B8 Data rate: 1. 5G SA Sub-6: Downlink 2 Gbps; uplink 1 Gbps 2. 5G NSA Sub-6: Downlink 2.2 Gbps; uplink 575 Mbps 3. LTE: Downlink 600 Mbps; uplink 150 Mbps 4. UMTS: Downlink 42.2 Mbps; uplink 11 Mbps Other: 1. Operating temperature: -30 degree C ~ +75 degree C 2. Extension temperature: -40 degree C ~ +85 degree C 3. Module dimensions: 30.0 x 52.0 x 2.3 (mm) 4. Module weight: 8.9 (g)Package List1. M.2 TO 4G/5G HAT x 1 2. RM500U-CN x 1 3. Antenna 4pcs x 1 4. IPEX adapter cable 4pcs x 1 5. 2*20PIN pin header x 1 6. 5V 3A Type-C power adapter x 1 7. Dual plug USB3.0 cable x 1 8. USB3.0 adapter x 1 9. USB2.0 adapter x 1 10. SMA protective cap 4pcs x 1 11. Screws pack x 1Specification: Package Weight One Package Weight 0.36kgs / 0.79lb One Package Size 20cm * 16cm * 4cm / 7.87inch * 6.3inch * 1.57inch Qty per Carton 40 Carton Weight 13.00kgs / 28.66lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 40 pcs = 22640 pcs40HQ: 1314 cartons * 40 pcs = 52560 pcs

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1. Interface: HDMI x 2 + USB x 3 + RJ45 x 2 + DC5V x 22. Case: metal3. Extension distance: 60m4. Resolution: 1080P5. Power supply: DC5V, support POC single-ended power supply6. Network cable: Class VI network cable7. Packing list: TX transmitter x 1, RX receiver x 1, USB cable x 1, DC 5V US power supply, manual x 18. Size: 13 x 10 x 2.7cm9. Weight: about 433gFeatures:1. 1920x1080P @ 60Hz ultra-clear picture quality, more distinct color levels, making the picture delicate, three-dimensional image2. Support POC single power supply, access to the transmitter or receiver can be, through the network cable to the other end of the power supply3. Metal shell, low temperature, more stable performance, high security, good heat dissipation performance4. HD smart chip, through the six categories of oxygen-free copper network cable, transmission HDMI audio and video signal performance stability, smooth transmission without lag5. Signal source input, can be connected to DVDs, laptops, set-top boxes, game consoles, and computers and other devices6. Network cable transmitter using standard EIA/TIA-568B wiring method, the wiring order are: white orange / orange / white green / blue / white blue / green / white brown / brown7. 0 delay keypad, support touch screen, USB keypad extension 60 meters, you can control the operation of the computer equipment in real time at the remote end, keypad use flexible, not lagging8. Support Windows, MAC, VistaLinux and other systems, no need to install the driver, plug it in and useSpecification: Package Weight One Package Weight 0.52kgs / 1.14lb One Package Size 23cm * 15cm * 5cm / 9.06inch * 5.91inch * 1.97inch Qty per Carton 50 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 50 pcs = 8850 pcs40HQ: 412 cartons * 50 pcs = 20600 pcs

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1. Module parameters:- Power supply voltage: DC4.5-6V (micro USB interface)- Working current: no more than 70mA- Discharge voltage: 1.00V-15.00V Resolution 0.01V- End voltage range: 0.5-11.0V- Support through current: no more than 3.000A resolution 0.001A- Voltage measurement error: less than 1% + 0.02V- Current measurement error: less than 1.2% +-0.002A- Battery capacity range: 9999Ah (1Ah = 1000mAh) 2.2. When the value is large, it is switched by decimal point shift. When it is less than 10Ah, it will be displayed as X.XXX, when it reaches more than 10Ah, it will be displayed as XX.XX, and so on.3. Circuit board size: 50mmX37mm4. Finished product size: 50mmX37mmX17mm (Length X Width X Height, including copper foot height)5. Weight of board and accessories: single board 28g (including copper pillar), two 5W ceramic resistors 9g, 50W resistor about 27g (including wire)6. Note: In order to improve the voltage measurement accuracy, this circuit is specially designed with DC bias. When the terminal is connected nothing, a small voltage will be displayed, which does not affect the actual measurement. 0V) will display 0. If you want to understand the principle, you can check the superposition theorem in electrical engineering.7. How to use:- The battery under test should be fully charged first.- Connect the positive pole of the battery under test to the input positive pole, and the negative pole to the negative pole of the input. Connect the load to the output positive pole and the output negative pole, and connect the tester micro USB with working power (not available for desktop or notebook USB power supply). The battery voltage is displayed at this time.- To start the test directly, just press the “OK” button, the tester can automatically formulate a suitable termination voltage according to the full charge voltage of the battery, and will flash the display 3 times to start the test. Need to manually set the termination voltage, just press the "+" or "-" button to modify in the battery voltage display state, the termination voltage is displayed at the beginning of P, the back represents the voltage value, the resolution is 0.1V, after setting, press "OK" "start testing.- After the test starts, the tester will turn on the electronic switch that controls the load. The test process data display will be displayed between the discharge capacity (Ah), the current discharge current (A) and the battery voltage (V). When the battery voltage reaches the set termination voltage, the tester cuts off the load control switch, the display data stays above the capacity (Ah) and flashes quickly with the corresponding indicator light, the displayed capacity is the actual discharge capacity of the battery, press it "OK" can stop the flashing and let the data display stably. Press the "OK" button again to restore to the state of just powering up and replace the battery to test the next section ...8. Error code and meaning:- Err1: The battery voltage is higher than 15V- Err2: The battery voltage is lower than the set termination voltage- Err3: The battery cannot bear the load discharge current or the line internal resistance is too large- Err4: Current is too large (current exceeds 3.1A)- Err5: Improper use or wiring error has caused the device to burn down and cannot be used (current sampling or control switch MOS burned)9. Note: If the battery is reversed, when the load is turned on and the load current is large (about> 0.8A), the circuit switch tube may be damaged!10. Secondary calibration operation: Press and hold three buttons to power on the tester at the same time, enter the calibration mode, first display the number of calibration records, then enter the formal calibration sampling program to display 0u0A, then short-circuit the input positive and negative poles and press "OK "Button to complete displaying J10u, apply a standard DC voltage of 10.00V between the input positive and negative electrodes, press the" OK "button, and then display J2.0A, apply to the output negative electrode (inflow direction) and input negative electrode (outflow direction) After a constant DC current of 2.0A, press the "OK" button once to complete the calibration. The tester will pre-check the calibration data. If the calibration data is reliable, it will display 4 calibration numbers in turn and then exit. If the pre-audit believes that the data is not reliable, discard the data and exit.Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 12cm * 10cm * 5cm / 4.72inch * 3.94inch * 1.97inch Qty per Carton 500 Carton Weight 23.00kgs / 50.71lb Carton Size 50cm * 50cm * 46cm / 19.69inch * 19.69inch * 18.11inch Loading Container 20GP: 231 cartons * 500 pcs = 115500 pcs40HQ: 538 cartons * 500 pcs = 269000 pcs

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1. Features a high-performance Xtensa 32-bit LX7 dual-core processor with a clock speed up to 240MHz2. Supports 2.4GHz Wi-Fi and Bluetooth 5 (LE) with built-in antennas3. Includes 512KB SRAM and 384KB ROM, while stack-integrated with 16MB Flash and 8MB PSRAM4. Features a 4.2-inch full-reflective display with 300 x 400 resolution, offering reflective imaging and eliminating the need for backlighting5. Equipped with a dual-microphone array enabling audio algorithms like noise reduction and echo cancellation, ideal for precise voice recognition and near-field/far-field voice wake-up applications6. Onboard PCF85063 RTC real-time clock and SHTC3 temperature/humidity sensor for precise RTC time management and environmental monitoring7. Integrated 18650 lithium battery holder and RTC backup battery holder (requires rechargeable RTC battery), supporting dual-mode operation: main power supply and independent RTC backup8. Onboard Micro SD card slot for external storage of images or files9. Two customizable side buttons (KEY and BOOT) for developing user-defined functions10. Reserved 2 x 8-row female header (2.54mm pitch) for external expansionSpecifications1. Display panel: fully reflective screen2. Display size: 4.2 inches3. Display resolution: 300 x 4004. Gray scale levels: 25. Communication interface: SPI6. Display method: fully reflective7. Driver IC: ST73058. Display colors: black, white9. Size: about 9.25 x 6.91 cmPackaging list:- ESP32-S3-RLCD-4.2-EN host x 1- Acrylic stand x 2- 8-ohm 2W MX1.25 2PIN speaker (forward) 80mm x 1- Screwdriver x 1Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 14cm * 11cm * 4cm / 5.51inch * 4.33inch * 1.57inch Qty per Carton 60 Carton Weight 12.00kgs / 26.46lb Carton Size 44cm * 37cm * 35cm / 17.32inch * 14.57inch * 13.78inch Loading Container 20GP: 468 cartons * 60 pcs = 28080 pcs40HQ: 1086 cartons * 60 pcs = 65160 pcs

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1. USB3.0 with base flip network card, 1900Mbps high wireless transmission rate, stable signal, let desktop Internet access faster. 2. Supports both 2.4GHz and 5GHz frequency bands, with speeds up to 1300Mbps in the 5GHz band and up to 600Mbps in the 2.4GHz band. Dual-band optional, faster, and more enjoyable network. 3. 11ac wireless technology, by increasing the bandwidth, improving the frequency modulation efficiency, effectively improving the wireless speed, can easily support high-definition (1080P) movie playback, online video, 3D effective high-speed network applications. 4. Built-in high-gain antenna makes the signal coverage wider, faster and more stable. 5. USB3.0 interface, transfer backup files faster, no delay, data bidirectional transmission, transmission efficiency is higher. Meet USB3.0 devices, backward compatible, and more energy efficient. 6. Equipped with powerful chips to speed up data processing and protect signal transmission to ensure more stable and efficient data transmission. 7. The desktop pull-free network cable intelligent receiving antenna signal, for the computer / mobile device to enhance the wireless signal (this function needs to ensure that the computer is turned on and can access the Internet). 8. Simulate soft AP transmission, signal through the wall, plug into the networked computer, set to simulate AP, you can easily set up the wireless network. Parameter: 1. Transmission rate: 1900Mbps. 2. Connection: USB3.0. 3. Protocol standard: IEEE 802.11b/g/n/ac Draft 2.0. 4. Frequency range: 2.4G/5.8G. 5. 1 meter USB3.0 base extension cable. 6. Can be folded 180 degrees. 7. Support system: Win 7/Win 8.1/Win 10/Mac/Linux. The package contains: Network card x 1 Base x 1 CD x 1 Installation Guide x 1Specification: Package Weight One Package Weight 0.37kgs / 0.81lb One Package Size 17.2cm * 12.1cm * 6.2cm / 6.77inch * 4.76inch * 2.44inch Qty per Carton 54 Carton Weight 18.00kgs / 39.68lb Carton Size 44cm * 41cm * 56cm / 17.32inch * 16.14inch * 22.05inch Loading Container 20GP: 263 cartons * 54 pcs = 14202 pcs40HQ: 612 cartons * 54 pcs = 33048 pcs

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1. Shell material: ABS2. Product size: 68x48x18mm (excluding shell)3. Product net weight: 25g (excluding shell)4. Working frequency: 315MHz/433.92MHz5. Output mode: terminal block6. Control method: remote control with the same frequency7. Working mode: inching, self-locking, interlocking8. Working voltage: DC12-36V9. Standby current: 9.8mA10. No-load maximum operating current: 96mA11. Receive sensitivity: -105dBm12. Working temperature: -20-70 degrees CelsiusNotice: 1. The supply voltage cannot exceed the working voltage.2. In an environment with strong wireless interference, the receiving distance may be reduced.3. Keep out of reach of children.4. It is forbidden to use it in a humid environment, otherwise it may cause damage to the controller.Specification: Package Weight One Package Weight 0.14kgs / 0.30lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 10 Carton Weight 1.53kgs / 3.37lb Carton Size 20cm * 10cm * 10cm / 7.87inch * 3.94inch * 3.94inch Loading Container 20GP: 13333 cartons * 10 pcs = 133330 pcs40HQ: 30952 cartons * 10 pcs = 309520 pcs

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1. Based on the RP2350 main control chip, it supports external interfaces such as RS485 and Pico, and features built-in power isolation and optocoupler isolation protection circuits for enhanced safety, stability, and reliability.2. Unique dual-core, dual-architecture design, equipped with a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both running at clock frequencies up to 150MHz, allowing users to flexibly switch between the two architectures.3. 12 programmable I/O (PIO) state machines for custom peripheral support.4. Built-in 520KB SRAM and 16MB on-chip Flash, using a Type-C interface for easy connection.5. Uses high-quality relays, allowing connection to loads: 10A 250V AC or 10A 30V DC.6. On-board isolated RS485 interface for easy connection to various RS485 Modbus industrial expansion modules or sensors.7. On-board Pico-compatible interface, compatible with some Raspberry Pi Pico expansion boards, facilitating the expansion of functions such as RTC, CAN, RS232, LoRa, and sensors.8. On-board terminal block power supply interface, supporting a wide voltage range of 7V~36V, convenient for industrial power supply use.9. On-board optocoupler isolation to prevent high-voltage circuits connected to the relay from interfering with the control chip.10. On-board digital isolation to prevent external signals from interfering with the control chip.11. On-board integrated power isolation provides a stable isolated voltage, requiring no additional power supply at the isolated end.12. On-board power and RS485 transceiver indicator lights, buzzer, and RGB LEDs for easily monitoring the devices operating status.13. On-board power and RS485 transceiver indicator lights, buzzer, and RGB LEDs for easily monitoring the devices operating status.14. DIN rail mountable ABS protective casing for easy installation and enhanced safety.15. USB 1.1 host and device support.16. Supports low-power sleep and hibernation modes.17. Can be recognized as a mass storage device via USB for drag-and-drop program downloading. 18. Provides 34 multi-functional GPIO pins19. Pins include 1 HSTX, 2 I2C, 2 UART, 8 12-bit ADC, and 24 controllable PWM channelsProduct parameters:1. Power supply voltage: 5V2. Functions: device power supply, USB communication, and firmware download, etc.3. Interface type: terminal block4. Direction control: hardware automatically detects and controls data transmission direction5. Interface protection: provides TVS tube protection, surge and electrostatic protection6. Matching resistor: default NC, 120R matching resistor reserved, can be enabled by jumper cap7. Contact type: one normally open, one normally closed8. Isolation type: optocoupler isolation9. RGB: colorful cool LED beads, customizable display colors10. PWR: power indicator light, lights up red when USB is connected and voltage is detected11. TXD: transmit indicator light, lights up green when data is sent from the RS485 interface12. RXD: receive indicator light, lights up blue when data is received from the RS485 interface13. Power dupply range: 7V-36V14. Casing: rail-mounted ABS protective casing15. Dimensions: 145 x 90 x 40 mmSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 17cm * 12cm * 6cm / 6.69inch * 4.72inch * 2.36inch Qty per Carton 30 Carton Weight 3.20kgs / 7.05lb Carton Size 36cm * 38cm * 32cm / 14.17inch * 14.96inch * 12.6inch Loading Container 20GP: 609 cartons * 30 pcs = 18270 pcs40HQ: 1414 cartons * 30 pcs = 42420 pcs

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About the product1. Superior metal body provides strength and durability. 2. It has code lock function, data regeneration function, one key intelligent copy function. 3. Handy key chain size attaches to your car keys no more unwanted bulkiness. It can copy the IC model of original remote control is 2262/2260/PT2264 and etc. 4. High speed and high accuracy, the code is not easy to loss. 5. Scope of application: vehicle central locking systems, garage doors, electronic gates, electrical appliances, car sunroofs and etc. 6. Frequency:315MHZSpecification: General Voltage DC 12V Working Frequency 315MHz Modulation Mode ASK Keys Quantity 4 Keys Transmission Rate 50-60KHz Encoding Types Learning Code Working Chip EV 1527 Resistance 330K Working Range 20-50m Operating Temperature -10-50 Degrees Celsius Package Weight One Package Weight 0.05kgs / 0.10lb One Package Size 5.3cm * 3cm * 1cm / 2.09inch * 1.18inch * 0.39inch Qty per Carton 300 Carton Weight 10.00kgs / 22.05lb Carton Size 25cm * 20cm * 20cm / 9.84inch * 7.87inch * 7.87inch Loading Container 20GP: 2666 cartons * 300 pcs = 799800 pcs40HQ: 6190 cartons * 300 pcs = 1857000 pcs

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1. This product is an AI development board based on ESP32-S3, integrating camera interface (DVP), SPI/QSPI display interface, and audio capture and playback functions, balancing low cost, high performance, and low power consumption to meet diverse smart terminal development needs. It supports integration with online AI platforms such as Xiaozhi/Doubao/DeepSeek, enabling human-computer interaction functions like voice dialogue and Q&A recognition. It also provides an Edge Impulse object detection example supporting real-time and multi-object recognition, suitable for rapid development of AI voice interaction, edge vision detection, HMI screen applications, and smart camera products. 2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a maximum main frequency of 240MHz. 3. Built-in 512KB SRAM, 384KB ROM, onboard 8MB PSRAM and 16MB Flash. 4. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with excellent RF performance. 5. Dual microphone array supporting noise reduction and echo cancellation for high-quality voice interaction. 6. Expansion and interfaces: --SPI/QSPI LCD display interface --24PIN DVP camera interface --USB, I2C, and UART interfaces accessible. 7. Onboard lithium battery charging circuit supports 3.7V lithium battery power supply. 8. Reserved 2 user-defined buttons. 9. The overall solution is highly integrated with rich interfaces, suitable for rapid prototyping and application deployment of AIoT smart terminal products.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 12.60kgs / 27.78lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 96 pcs = 55968 pcs40HQ: 1354 cartons * 96 pcs = 129984 pcs

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1. Working voltage: 2.6~3.3V2. Test voltage range: 0.1V~250V / 40~1kHz3. Working temperature: 0~40 degrees Celsius4. Working humidity: Relative humidity 20%~75%5. Material temperature: -10~50 degrees Celsius6. Raw material humidity: Relative humidity 20%~80%7. RCD current: more than 30mA8. RCD working voltage: 220+/-20V9. Battery: 2 AAA batteries (not included)10. Size: 64.5x64.5x58.2 (mm)11. Mainly used to detect the plug polarity and the safety of the leakage switch, which can quickly and accurately detect the plug wiring. At the same time, the plug voltage can be tested and displayed on the LED display of the LCD screen.12. Features: VA color display, leakage protection, zero line recognition, automatic shutdown, non-contact detectionSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 12cm * 12cm * 10cm / 4.72inch * 4.72inch * 3.94inch Qty per Carton 40 Carton Weight 7.00kgs / 15.43lb Carton Size 52cm * 50cm * 25cm / 20.47inch * 19.69inch * 9.84inch Loading Container 20GP: 410 cartons * 40 pcs = 16400 pcs40HQ: 952 cartons * 40 pcs = 38080 pcs

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1. Type: Reed Sensor Board 2. Material: PCB 3. Mainly Compatible with: Ardunio 4. Reed Sensor Board for Doors / Window Magnetics / Electromagnetic Relays / Electronic Weighing 5. Easy and convenient to useSpecification: General Types Reed Sensor Board Size 6.0*4.0*2.0 cm Weight 85 g Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 6cm * 4cm * 2cm / 2.36inch * 1.57inch * 0.79inch Qty per Carton 200 Carton Weight 19.60kgs / 43.21lb Carton Size 25cm * 20cm * 20cm / 9.84inch * 7.87inch * 7.87inch Loading Container 20GP: 2666 cartons * 200 pcs = 533200 pcs40HQ: 6190 cartons * 200 pcs = 1238000 pcs

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1. Brand new and high quality. 2. This is a universal power supply for all your pedals, effects, wireless receivers and more. 3. Features include worldwide input, regulated output in multiple voltages, six adapter plugs and more. 4. This adaptor is designed to supply power where and when you need it. 5. With selectable DC output up to 12 volts and plugs to fit most small electronic devices, it replaces a box full of batteries. 6. It gives a universal regulated switching mode supply with selectable AC Input 110 to 240V AC (so with an electrical plug adapter it will work anywhere in the world). 7. It has selectable DC Outputs: 3/4.5/5/6/7.5/9/12V. 8. The charger also includes 6 detachable DC output plugs, so that it will fit almost all DC input sockets. (2.5*0.7mm, 3.0*1.1mm, 3.5*13.5mm, 3.5*15mm, 5.0*2.1mm, 5.5*2.5mm) 9. Used for battery chargers, printers, games consoles and many other appliances. 10. Compatible for: Mobile phone, Tablet PC, Camera, router and other device. 11. Not compatible with laptop or other high power equipment, not compatible with Over 30W Devices and the Polarity could not be reversed.Specification: General Material Fireproof ABS, PC Cable length 1.2m Size 8*4.8*5.5cm Weight 102g Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 12.5cm * 11.5cm * 4.5cm / 4.92inch * 4.53inch * 1.77inch Qty per Carton 40 Carton Weight 7.50kgs / 16.53lb Carton Size 47cm * 25cm * 27cm / 18.5inch * 9.84inch * 10.63inch Loading Container 20GP: 840 cartons * 40 pcs = 33600 pcs40HQ: 1951 cartons * 40 pcs = 78040 pcs

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