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Features1. UHF wireless in-ear monitoring system. 2. A built-in limiter circuit for stage performances and a wide range of sounds eliminates distortion at excessive input levels. 3. Metal panel and body shell, makes it sturdy and durable 4. Provides desktop-level monitoring in an in-ear monitoring and receiving system with a wireless range from 80 to 100m, and a frequency range of 550-580MHz. 5. The signal-to-noise ratio of the dynamic range is improved, so that the system has excellent anti-interference ability, and once again shows the good original soundTransmitter Specifications1. Case specification:Standard 1U Case 2. Material: Metal panel and body housing case 3. Frequency range: UHF550-580MHz 4. Frequency interval: 25MHz 5. Transmit output power:100mW(50 ohms) 6. Audio input: XLR & 6.3mm duplex outlet 7. Earphone output: 6.3mm jack, volume adjustable 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Voltage current consumption: DC 12V 250mA 10. Antenna interface: TNC jack (50 ohms) 11. Size: 48 x 10.5 x 4.3cmReceiver Specifications1. Oscillation mode: PLL synthesized Frequency 2. Width Frequency range: UHF550-580MHz (Corresponding transmitter frequency) 3. Frequency interval: 25MHz 4. Operate mode: Manual adjust 5. Receiving mode: Single tuning. 6. Comprehensive Frequency Response: 80Hz~15KHz+/-3dB 7. Output power (30 ohms): 2 x 35mW 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Earphone output: 3.5mm jack 10. Power supply: 2 x AA batteries (not included) 11. Size: 8.5 x 6cmSpecification: Package Weight One Package Weight 2.74kgs / 6.04lb One Package Size 55cm * 33cm * 9cm / 21.65inch * 12.99inch * 3.54inch Qty per Carton 6 Carton Weight 17.10kgs / 37.70lb Carton Size 56cm * 34cm * 54cm / 22.05inch * 13.39inch * 21.26inch Loading Container 20GP: 259 cartons * 6 pcs = 1554 pcs40HQ: 602 cartons * 6 pcs = 3612 pcs

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Features1. UHF wireless in-ear monitoring system. 2. A built-in limiter circuit for stage performances and a wide range of sounds eliminates distortion at excessive input levels. 3. Metal panel and body shell, makes it sturdy and durable 4. Provides desktop-level monitoring in an in-ear monitoring and receiving system with a wireless range from 80 to 100m, and a frequency range of 550-580MHz. 5. The signal-to-noise ratio of the dynamic range is improved, so that the system has excellent anti-interference ability, and once again shows the good original soundTransmitter Specifications1. Case specification:Standard 1U Case 2. Material: Metal panel and body housing case 3. Frequency range: UHF550-580MHz 4. Frequency interval: 25MHz 5. Transmit output power:100mW(50 ohms) 6. Audio input: XLR & 6.3mm duplex outlet 7. Earphone output: 6.3mm jack, volume adjustable 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Voltage current consumption: DC 12V 250mA 10. Antenna interface: TNC jack (50 ohms) 11. Size: 48 x 10.5 x 4.3cmReceiver Specifications1. Oscillation mode: PLL synthesized Frequency 2. Width Frequency range: UHF550-580MHz (Corresponding transmitter frequency) 3. Frequency interval: 25MHz 4. Operate mode: Manual adjust 5. Receiving mode: Single tuning. 6. Comprehensive Frequency Reaponse: 80Hz~15KHz+/-3dB 7. Output power (30 ohms): 2 x 35mW 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Earphone output: 3.5mm jack 10. Power supply: 2 x AA batteries (not included) 11. Size: 8.5 x 6cmSpecification: Package Weight One Package Weight 3.36kgs / 7.41lb One Package Size 56cm * 30cm * 13cm / 22.05inch * 11.81inch * 5.12inch Qty per Carton 4 Carton Weight 14.20kgs / 31.31lb Carton Size 57cm * 32cm * 52cm / 22.44inch * 12.6inch * 20.47inch Loading Container 20GP: 281 cartons * 4 pcs = 1124 pcs40HQ: 652 cartons * 4 pcs = 2608 pcs

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Product manual：1. Through-beam photoelectric switch (IRSW20B) is a customizable USB button.It is equivalent to a standard HID USB keyboard and mouse. The switch function can be customized to any key,combination, mouse or character string through the supporting software settings. After the definition is completed, no software is required during use.2. Products are widely used in printers, copiers, game consoles, factory inspections, instrument control, equipment, etc. as well as mobile monitoring, proximity switch monitoring and occasions where it is not convenient to use mechanical switches to improve efficiency.3. The switch adopts a through-beam photoelectric trigger mode. The infrared emitting tube in the device emits infrared light. If there is an object in the middle of the groove, the receiving sensor will trigger the corresponding key value if the infrared light is not detected.4. Provides button definition setting software based on Windows system. After setting, you can use it in the following systems: Dos, Win 2000, Win XP, Win vista, Win 7, Win 8, Win10, Linux, Mac, Android.5. Scope of application: office, game, industry, disabled personFunction Description：1. Keyboard function: It can be set to any key value or key combination, for example, to key value A or CTRL+A.2. Mouse function: It can be set to the left, middle, right, forward and backward keys of the mouse, the movement of the X and Y axes, and the up and down scrolling functions of the wheel.3. String printing: You can set up to 38 characters, for example, set "hello!".4. Multimedia function: It can be set as previous song, next song, volume up, volume down and other multimedia control functions.5. Gamepad function: It can be set as up, down, left and right four direction keys and 6 function keys.When you want to change the function of the button, you can use the FootSwitch software to modify the button function:1. Insert the device into the computer USB port2. Run the software FootSwitch3. Click to select the corresponding setting window4. Click or enter the function you want to set5. Click Save to confirm.6. The setting software only supports Windows system. The FootSwitch software is often upgraded. Please follow the latest version.Product specifications:1. Product model: IRSW20B2. Interface type: USB3. Power supply: 5V30mA4. USB cable length: 2 meters (the cable length can be customized)5. Product weight: about 65 gramsOutline dimension drawing and installation hole position drawing as show picturesSpecification: Package Weight One Package Weight 0.07kgs / 0.16lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 28cm / 11.81inch * 11.81inch * 11.02inch Loading Container 20GP: 1058 cartons * 100 pcs = 105800 pcs40HQ: 2456 cartons * 100 pcs = 245600 pcs

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1. Material: ABS+aluminum alloy2. Bluetooth remote control3. Built-in Douyin remote control4. Anti-slip and stable tripod5. 360 degree rotating horizontal and vertical screen6. One-piece stowed tripod7. Voltage: 3V8. Bluetooth version: 4.29. Battery model: CR2032, capacity: 210mAh10. Telescopic length: P80: 25.7-133cm, P81: 31.2-170cm11. Net weight: P80: 205g, P81: 246gSpecification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 27cm * 5cm * 5cm / 10.63inch * 1.97inch * 1.97inch Qty per Carton 118 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 118 pcs = 20886 pcs40HQ: 412 cartons * 118 pcs = 48616 pcs

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Temperature-Humidity Sensor, DHT11 OnboardOverviewThis is a calibrated digital temperature and humidity module with onboard sensor DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.Specifications1. Temperature- Resolution : 1 degree C- Accuracy : +/-2 degree C- Measuring range : 0 degree C ~ 50 degree C2. Humidity- Resolution : 1%RH- Accuracy : +/-5%RH (0~50 degree C)- Measuring range : 20%RH ~ 90%RH (25 degree C)3. Operating voltage : 3.3V ~ 5.5 V4. Recommended storage condition- Temperature : 10 degree C ~40 degree C- Humidity : 60%RH or belowApplications1. Weather station2. Humidity controller3. Test & detection deviceHow to UseIn the case of working with a MCU:1. VCC: 3.3V ~ 5.5V2. GND: GND3. DOUT: MCU.IOPackage Contents1. DHT11 Temperature-Humidity Sensor x12. 3-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 4cm * 3cm * 1cm / 1.57inch * 1.18inch * 0.39inch Qty per Carton 7800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 7800 pcs = 2215200 pcs40HQ: 661 cartons * 7800 pcs = 5155800 pcs

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Driver board features:1. Utilizes the ESP32-S3-WROOM-2-N32R16V module, equipped with an Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240 MHz2. Integrates 512KB SRAM, 384KB ROM, 16MB PSRAM, and 32MB Flash memory3. Integrates 2.4GHz Wi-Fi and low-power Bluetooth (Bluetooth LE) dual-mode wireless communication, featuring superior radio performance4. Uses the USB Type-C interface, eliminating the need to worry about the orientation of insertion5. Comes with CH343 and CH334 chips, allowing for the satisfaction of USB and UART development needs through a single Type-C interface6. Comes with a 13.3E6 ink display interface, supporting direct connection to a 13.3E6 full-color ink display screen7. Comes with an audio codec chip, supporting voice acquisition and playback, facilitating the implementation of AI voice interaction applications8. Comes with an efficient charge and discharge management chip ETA6098 and an MX1.25 lithium battery interface9. Comes with a Micro SD card slot, allowing for the external connection of a Micro SD card for storing images or filesCharacteristics of the ink display:1. Utilizes E Ink Spectra 6 (E6) technology, featuring high contrast and vivid color display2. Does not require a backlight, and can retain the last screens content even after power loss for a long time3. Has extremely low power consumption, with power usage mainly occurring during refreshesScreen parameters1. Working voltage: 3.3V2. Communication interface: 3-wire SPI, 4-wire SPI3. Size: 284.7 x 208.8 x 0.85 mm4. Display size: 270.4 x 202.8mm5. Pixel pitch: 0.169 x 0.169mm6. Resolution: 1600 x 1200 pixels7. Display color: E6 full color (E Ink Spectra 6)8. Gray level: 29. Global refresh: 19s10. Total refresh power consumption: less than 0.5W11. Sleep power consumption: less than 1mW12. Viewing angle: greater than 170°Packaging list:- ESP32-S3-ePaper-13.3E6 main unit x 1- 13.3-inch e-Paper (E) main unit x 1- e-Paper adapter (B) x 1- 8-ohm 1W speaker x 1- 60-pin FPC flexible cable 10cm (in the same direction) x 1Specification: Package Weight One Package Weight 0.90kgs / 1.99lb One Package Size 35cm * 24cm * 5cm / 13.78inch * 9.45inch * 1.97inch Qty per Carton 12 Carton Weight 12.00kgs / 26.46lb Carton Size 50cm * 37cm * 32cm / 19.69inch * 14.57inch * 12.6inch Loading Container 20GP: 450 cartons * 12 pcs = 5400 pcs40HQ: 1045 cartons * 12 pcs = 12540 pcs

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1. 2.9 inch capacitive touch ePaper module, 296??128 resolution 2. 5-points touch support, user-defined wakeup gesture 3. No backlight, keeps displaying last content for a long time even when power down 4. Ultra low power consumption, basically power is only required for refreshing 5. SPI / I2C interface, requires minimal IO pins 6. Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)Specification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 15.40kgs / 33.95lb Carton Size 42cm * 26cm * 26cm / 16.54inch * 10.24inch * 10.24inch Loading Container 20GP: 939 cartons * 200 pcs = 187800 pcs40HQ: 2180 cartons * 200 pcs = 436000 pcs

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Overview1. This is a small 1D/2D codes reader, by using the intelligent image recognition algorithm, it will decode the barcode or 2D code on paper or screen, fast and accurately.2. Through the onboard USB and UART interface, it can be directly plugged into a computer, or be easily integrated to kinds of devices due to its small form factor.Features1. Easy to use, requires no knowledges of image recognition2. Decodes various common 1D/2D codes such as Barcode, QR code etc.3. Onboard micro USB and UART serial port, allows to connect with computers or embedded devices4. Configurable via scanning configuration code5. Onboard light source, works in the darkSpecifications1. Operating voltage: 5V2. Operating current: 135mA (scanning), 58mA (standby), 2mA (sleep)3. Operating temperature: 0°C~60°C4. Operating humidity: 5%~95% (Non-condensing)5. Communication interface: UART, USB6. Decodes 1D codes: Codebar, Code 11, Code 39/Code 93, UPC/EAN, Code 128/EAN128, Interleaved 2 of 5, Matrix 2 of 5, MSI Code, Industrial 2 of 5, GS1 Databar(RSS)7. Decodes 2D codes: QR code, Data Matrix, PDF4178. Light source: white9. Scan angels: roll 360°, skew ±65°, pitch ±60°10. Field of view: 28° (horizontal), 21.5° (vertical)11. Dimension: 53.3mm x 21.4mm12. Package contents:- Barcode Scanner Module x1- USB type A plug to micro B plug cable x1- PH2.0 4Pin x1Specification: Package Weight One Package Weight 0.10kgs / 0.21lb One Package Size 8cm * 4cm * 2cm / 3.15inch * 1.57inch * 0.79inch Qty per Carton 1400 Carton Weight 134.40kgs / 296.30lb Carton Size 56cm * 40cm * 40cm / 22.05inch * 15.75inch * 15.75inch Loading Container 20GP: 297 cartons * 1400 pcs = 415800 pcs40HQ: 690 cartons * 1400 pcs = 966000 pcs

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1. The product is a high-performance, highly integrated microcontroller development board. It integrates high-capacity Flash and onboard 1.54inch e-paper display, features ultra-low power consumption and ambient light readability, suitable for portable devices and long-Batt-life scenarios. Integrated with an RTC chip, SHTC3 temperature and humidity sensor, TF card slot, low-power audio codec chip circuit, and Lithium Batt recharge and discharge management circuit. Reserved interfaces including USB, UART, I2C, and GPIO for easy functionality expansion and sensor connectivity, providing a flexible and reliable development platform for IoT terminals, electronic tags, portable displays, and other applications.2. Features the RP2350A microcontroller chip developed by Raspberry Pi3. Unique dual-core, dual-architecture design: equipped with dual-core ARM Cortex-M33 and dual-core Hazard3 RISC-V processors; clock speeds up to 150MHz; allows flexible switching between the two architectures4. Built-in 520KB SRAM and 16MB on-chip Flash5. Uses a USB Type-C interface—modern and convenient, eliminating the need to worry about plug orientation6. Onboard 1.54-inch E-Ink display (200 × 200 resolution) featuring high contrast and wide viewing angles7. Supports USB 1.1 Host and Device modes8. Supports low-power sleep and dormant modes9. Recognized as a mass storage device via USB for drag-and-drop file uploading10. Breaks out 7 GPIO pins and USB+/- pins from the RP2350A11. Includes 1x I2C, 1x UART, 2x 12-bit ADC, and 6x controllable PWM channels; features precise on-chip clocks and timers12. Built-in temperature sensor for real-time chip temperature monitoring13. 12 Programmable I/O (PIO) state machines for custom peripheral supportSpecifications:1. Display Panel: E-Ink screen2. Display Size: 1.54 inches3. Resolution: 200 × 2004. Grayscale Levels: 25. Communication Interface: SPI6. Full Refresh Time: 2s7. Display Colors: Black, White8. Partial Refresh Time: 0.3s9. Viewing Angle: Greater than 170-degree10. Display Mode: ReflectiveSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 7cm * 7cm * 5cm / 2.76inch * 2.76inch * 1.97inch Qty per Carton 180 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 30cm / 18.5inch * 14.57inch * 11.81inch Loading Container 20GP: 511 cartons * 180 pcs = 91980 pcs40HQ: 1186 cartons * 180 pcs = 213480 pcs

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1. Size: 13.3 Inch2. Viewing angle: 178 Degrees3. Resolution: 1920x1080 Pixels4. Dimensions: 307.00(H)×183.00(V)×10.00(D)mm5. Display area: 293.65(H)×165.70(V)mm6. Pixel pitch: 0.153(H) x 0.153(V)mm7. Color gamut: 99% NTSC8. Brightness: 300cd/m2 (MAX)9. Contrast ratio: 100000:110. Backlight adjustment: OSD / DDCCI11. Refresh rate: 60Hz12. Display interface: mini HDMI / Type-C13. Power interface: 5V Power Supply14. Weight: 676g15. 13.3-inch AMOLED touchscreen, 1920x1080 hardware resolution16. 10-point capacitive touch, with tempered glass panel, hardness up to 6H17. Uses full lamination touch technology for better display effect18. When used with Raspberry Pi, supports Raspberry Pi OS / Ubuntu / Kali and Retropie19. When used as a computer monitor, supports Windows 11 / 10 / 8.1 / 8 / 720. Supports multi-language OSD menu (for power control, brightness/contrast adjustment, etc.)21. Built-in high-fidelity speakers, with 3.5mm audio jack, supports HDMI audio output22. All-metal CNC alloy casingSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 32cm * 21cm * 12cm / 12.6inch * 8.27inch * 4.72inch Qty per Carton 2 Carton Weight 2.50kgs / 5.51lb Carton Size 34cm * 23cm * 26cm / 13.39inch * 9.06inch * 10.24inch Loading Container 20GP: 1311 cartons * 2 pcs = 2622 pcs40HQ: 3044 cartons * 2 pcs = 6088 pcs

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1. 13.3 inches 2K AMOLED touch display2. 178-degree wide viewing angle, excellent display performance3. 2560×1440 high resolution, clearer picture and more details4. With 100% SRGB, 100% DCI-P3 color gamut coverage, making the colors more vivid and delicate5. AMOLED active light-emitting screen, with 3.68 million active light-emitting pixels, with precise light control ability, presenting more vivid colors and images6. The 100,000-level contrast radio has a shocking 100,000-level contrast ratio and a hundred times the performance of light and shade, showing the layers and details of the deep starry sky in front of your eyes7. Unlike ordinary LCD, AMOLED uses active emission technology, each pixel on AMOLED will emit light by itself, resulting in brighter highlights or true black shadows, making it almost close to 0nit pure black8. Capacitive 10-point touch9. Support DDC/CI brightness adjustment10. Full-featured Type-C interface, integrated audio and video transmission, plug and play11. Computer dual-screen collaborative processing12. Dual-track ferrite hi-fi speakers, louder volume, wider range and better sound quality13. Product size: 30.7 x 18.3 x 1 cmPacking list:-Display × 1-HDMI flat cable (1m) x 1-USB-A to USB-C cable (1m) x 1-USB-C to USB-C cable × 1-HDMI to Micro HDMI cable (1m) x 1-5V 3A power adapter × 1-Tripod x 1Specification: Package Weight One Package Weight 1.73kgs / 3.82lb One Package Size 47cm * 28cm * 19cm / 18.5inch * 11.02inch * 7.48inch Qty per Carton 2 Carton Weight 4.56kgs / 10.05lb Carton Size 49cm * 30cm * 40cm / 19.29inch * 11.81inch * 15.75inch Loading Container 20GP: 453 cartons * 2 pcs = 906 pcs40HQ: 1052 cartons * 2 pcs = 2104 pcs

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1. Built-in high-precision single-chip microcomputer, automatically stop charging after the battery is full, safe and secure2. LCD display shows the real-time charging status of the battery3. Charging anytime, anywhere, Micro USB input, power supply and solar energy, no need to worry about not being able to charge outdoors4. It can charge 4 batteries at the same time, saving time and improving efficiency5. Purpose: capacity test, internal resistance test, storage function, real-time current6. Number of slots: 47. Working temperature: 0-40 degrees Celsius8. Input voltage / current: 5V / 3A, 9V / 2A9. Charging current: 500mA, 1000mA, 2000mA, 3000mA10. Output current: less than or equal to 120mA11. Output voltage: 4.2V / 1.42V12. Note: The product only contains the charger, does not contain other accessories such as batteries13. Size: 149x115x35mm14. Weight: 212gFor battery1.3.6V / 3.7V IMR / Li-ion / LiFePO4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700 , 21700, 22500, 22650, 25500, 26500, 26650, 267002.1.2V Ni-MH/Ni-Cd: AA, AAA, AAAA, C, DSpecification: Package Weight One Package Weight 0.37kgs / 0.80lb One Package Size 15cm * 12cm * 6cm / 5.91inch * 4.72inch * 2.36inch Qty per Carton 40 Carton Weight 13.00kgs / 28.66lb Carton Size 30cm * 50cm * 43.3cm / 11.81inch * 19.69inch * 17.05inch Loading Container 20GP: 410 cartons * 40 pcs = 16400 pcs40HQ: 953 cartons * 40 pcs = 38120 pcs

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