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About The Product1. LINEPAUDIO A967 Passive PreAmp Active Speak Volume Two-Channel Controller is small and compact, applicable to use with active speaker or PostAmp, supports full-balanced or single-ended signal I/O, equipped with a switch for easily switching I/O signal. 2. Infinitely picky about the sound quality, infinitely tolerant on music. Passive PreAmp Volume Controller makes the desktop simple. 3. Small size but great wisdom, LINEPAUDIO A967 is tiny but with a complete set of common interfaces, supports full-balanced audio signal regulation and single-ended audio signal regulation, and switches I/O signal. 4. Suitable for the decoder and speaker without volume regulation, with the balanced I/O, RCA I/O architecture and switch function enabled. Its PreAmp will not cause a loss of signal source. In general, the audio source signals out of the decoder reproduces the original signals. The large dynamic range will not cause a quality loss, but keep the original signal source intact. 5. The preferred choice of active speaker, more and more music fans are not satisfied with the sound quality performance of common multimedia speakers, but rather select professional active monitor speakers. But such speakers generally don't have a volume regulation knob, but have to use with PreAmp. Most active monitor headphones are used for the desktop near-field listening, but a common HiFi PreAmp is large and occupies a large area. Moreover, most are concerned about whether the timbre of PreAmp matches the speaker or not, whether the sound effect is ideal or not. 6. But from now on, LINEPAUDIO A967 Two-Channel Volume Controller perfectly addresses the above two concerns, LINEPAUDIO A967 is small and compact, the internal circuit architecture design will not cause a loss of sound quality, the internal power amplifier of active speaker is enough to drive the speaker, so that you can hear the most genuine timbre and quality of the speaker, free from the need of choosing a suitable PreAmp.Features1. Input/Output impedance: 10Kohms - 50Kohms. 2. Two-channel I/O switch, RCA and Balanced XRL I/O. 3. Input: RCA / Balanced XLR (switch). 4. Output: RCA / Balanced XLR (switch).Specification: General Model A967 Material Metal Size 145*65*43mm Weight 314g Package Weight One Package Weight 0.46kgs / 1.00lb One Package Size 20cm * 18cm * 5.5cm / 7.87inch * 7.09inch * 2.17inch Qty per Carton 20 Carton Weight 9.13kgs / 20.13lb Carton Size 42cm * 38cm * 30cm / 16.54inch * 14.96inch * 11.81inch Loading Container 20GP: 556 cartons * 20 pcs = 11120 pcs40HQ: 1292 cartons * 20 pcs = 25840 pcs

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1. RP2350B microcontroller chip designed for Raspberry Pi2. Unique dual-core, dual-architecture design featuring dual-core ARM Cortex-M33 processors and dual-core Hazard3 RISC-V processors, each clocked at up to 150MHz, enabling flexible switching between architectures3. Integrated 520KB SRAM, 16MB on-chip Flash, and 2MB PSRAM4. Features a Type-C interface for reversible plugging5. Onboard 7-inch capacitive LCD display with 800 × 480 resolution and 65K colors6. Supports I2C interface for capacitive touch control, 5-point touch, with interrupt support (touch version only)7. Onboard interfaces include Sensor, CAN, RS485, I2C, and UART8. USB 1.1 host and device support9. Supports low-power sleep and hibernation modes10. USB mass storage mode for drag-and-drop program downloads11. Precise on-chip clock and timers12. Built-in temperature sensor for real-time chip temperature monitoring13. 12 programmable I/O (PIO) state machines for custom peripheral supportPackage contents:- Display x 1- HY2.0 2-pin to male DuPont connector 2-pin about 10cm x 2- HY2.0 3-pin to male DuPont connector 3-pin about 10cm x 1- HY2.0 4-pin to male DuPont connector 4-pin about 10cm x 2- Screw set x 1Specification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 20cm * 14cm * 4cm / 7.87inch * 5.51inch * 1.57inch Qty per Carton 36 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 38cm * 30cm / 16.54inch * 14.96inch * 11.81inch Loading Container 20GP: 556 cartons * 36 pcs = 20016 pcs40HQ: 1292 cartons * 36 pcs = 46512 pcs

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1. Material: ABS + PP 2. Power: 4.5W, input: DC5V-0.8A 3. Battery specifications: 18650-1500mAh 4. Press and hold the key for 3 seconds, it will turn into a night light, and the soft light will not dazzle 5. Adopt feather leaf design, evenly distribute air at 30 degree rotating wide angle 6. No noise, quiet and comfortable 7. Foldable design, can be turned into a desktop fan, easy to use 8. Battery capacity: 1500mAh, can use battery or USB charging 9. Size: 22x10.6x4CMSpecification: Package Weight One Package Weight 0.25kgs / 0.55lb One Package Size 22.8cm * 11.4cm * 6cm / 8.98inch * 4.49inch * 2.36inch Qty per Carton 40 Carton Weight 10.36kgs / 22.84lb Carton Size 46cm * 46cm * 30cm / 18.11inch * 18.11inch * 11.81inch Loading Container 20GP: 420 cartons * 40 pcs = 16800 pcs40HQ: 975 cartons * 40 pcs = 39000 pcs

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1. Size: 38mm (length) X22mm (width) X14mm (height)2. Weight: 8g3. Working voltage: 3.3--5.5V4. Clock chip: High-precision clock chip DS32315. Clock accuracy: Within 0-40 degree C, accuracy 2ppm, annual error about 1 minute6. With 2 calendar alarm clocks7. Programmable square wave output8. Real-time clock generates seconds, minutes, hours, week, date, month and year time, and provides leap year compensation valid to 2100 years9. The temperature sensor inside the chip has an accuracy of +/- 3 degree C10. Memory chip: AT24C32 (storage capacity 32K)11. IIC bus interface, high transmission speed 400KHz (when working voltage is 5V)12. Can cascade other IIC devices, 24C32 address can be modified by short circuit A0 / A1 / A2, the default address is 0x5713. With rechargeable battery LIR2032 to ensure that the clock still runs normally after the system is powered off14. Packing: Single anti-static packaging15. Wiring instructions (taking Arduino uno r3 as an example):SCL -- A5SDA -- A4VCC -- 5VGND -- GND16. DS3231 is a low-cost, high-precision I2C real-time clock (RTC) with integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device contains a battery input, which can maintain accurate timing when the main power is disconnected. The integrated crystal oscillator improves the long-term accuracy of the device and reduces the number of components in the production line. The DS3231 offers commercial and industrial temperature ranges and is available in a 16-pin 300mil SO package.17. RTC saves seconds, minutes, hours, day, date, month and year information. Months less than 31 days will automatically adjust the end of the month, including corrections for leap years. The working format of the clock can be 24 hours or a 12-hour format with / AM / PM indication. Provide two configurable calendar alarms and a configurable square wave output. The address and data are transferred serially via the I2C bidirectional bus.Sophisticated, temperature-compensated voltage reference and comparator circuits are used to monitor VCC status, detect power failures, provide reset outputs, and automatically switch to backup power when necessary. In addition, the / RST monitor pin can be used as a manual input to generate a μP reset.18. In addition to high timing accuracy, the DS3231 also has some other functions that expand the additional functions and selection range of the system host. The device integrates a very accurate digital temperature sensor, which can be accessed through the I2C * interface (just like time). The accuracy of this temperature sensor is +/- 3 degree C. The on-chip control circuit can realize automatic power supply detection and manage the power supply switching between the main power supply and the backup power supply (that is, the low-voltage battery). If the main power supply is powered down, the device can continue to provide accurate timing and temperature without affecting performance. When the main power supply is re-energized or the voltage value returns to the allowable range, the on-chip reset function can be used to restart the system microprocessor.Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 8cm * 5cm * 5cm / 3.15inch * 1.97inch * 1.97inch Qty per Carton 500 Carton Weight 7.00kgs / 15.43lb Carton Size 30cm * 30cm * 38.9cm / 11.81inch * 11.81inch * 15.31inch Loading Container 20GP: 761 cartons * 500 pcs = 380500 pcs40HQ: 1768 cartons * 500 pcs = 884000 pcs

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1. Rated input: 5V 2A2. Battery capacity: 4000mAh3. Charging port: Type-C4. Material: ABS + PP + silicone + electronic components5. Weight: about 832g6. Size: bout 21 x 21 x 93cmFeatures:1. Lightweight and portable with a foldable storage design for easy movement and space-saving2. Wireless design with a built-in high-capacity battery3. Telescopic design for adjustable height4. Removable mesh cover for easier cleaning5. Type-C port for charging multiple devices6. Stepless knob for instant airflow adjustment7. Silicone feet for noise reduction, shock absorption, and surface protectionSpecification: Package Weight One Package Weight 0.96kgs / 2.13lb One Package Size 23cm * 23cm * 11cm / 9.06inch * 9.06inch * 4.33inch Qty per Carton 16 Carton Weight 16.30kgs / 35.93lb Carton Size 46cm * 46cm * 42cm / 18.11inch * 18.11inch * 16.54inch Loading Container 20GP: 300 cartons * 16 pcs = 4800 pcs40HQ: 696 cartons * 16 pcs = 11136 pcs

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1. Large LCD display for easy reading. 2. Measure voltage, frequency, current, power factor, wattage, minimum & maximum power and record cumulative kilowatt-hour, time and electricity expenses. 3. Seven display modes, transferred by pressing "FUNCTION". 4. Overload warning displayed on LCD. 5. Resetting for abnormal display or no-response of button. 6. Easy electricity price setting.Specification: General Material Plastic, Metal Input Voltage AC 230~250V Input Current 13A MAX Size 15.5*7.3*6.6cm Weight 200g Package Weight One Package Weight 0.26kgs / 0.56lb One Package Size 17cm * 8cm * 7.5cm / 6.69inch * 3.15inch * 2.95inch Qty per Carton 50 Carton Weight 14.70kgs / 32.41lb Carton Size 45cm * 40cm * 30cm / 17.72inch * 15.75inch * 11.81inch Loading Container 20GP: 493 cartons * 50 pcs = 24650 pcs40HQ: 1146 cartons * 50 pcs = 57300 pcs

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1. Material: ABS + electronic components2. Size: 14.9x12.8x19cm3. Features: Angle adjustment, automatic head shaking, light operation, large-capacity battery, four-speed adjustment, strong wind4. Use power: 4W5. Power supply mode: USB/built-in lithium battery6. Life time: 15 hours7. Charging time: about 5 hours8. Input current: 5V/1A9. USB cable length: 120cm10. Net weight: 428g11. Gross weight: 548g12. Battery capacity: 4000mAh 3.7VSpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 16cm * 15cm * 22cm / 6.3inch * 5.91inch * 8.66inch 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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Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to get stuck? Do you need 2 amplifiers and 4 groups of speakers to choose from?A Powerful power Amplifier Selector Switcher Can Solve the above Problems,1. 4 power amplifier gear switch rotary selection switching input, 2. Groups of stereo speaker gear switch rotary selection switching output, the device supports two modes of use,forward access 4 power amplifiers and 2 groups of speakers, reverse access 2 power amplifiers and 4 groups of speakers.3. Can use banana head interface or can accept up to 12 AWG speaker cable. Fully compatible with all types of amplifiers and speakers.4. Headset 6.35mm interface provides stereo headset output, for personal listening signal monitoring, headset output independent volume adjustment.5. Support 4 to 16 ohms impedance stereo speakers, each channel support power up to 300W6. Input and output manual selection switch, direct insertion and direct use, switching signal is stable, there is no other interference or noise between channels7. Compact design solid metal shell, easy installation, the product does not need external power supply8. Simple installation: input and output plug and play easy installation, you can enjoy a different audio experienceProduct parameters:1. Material: Metal iron shell2. Compatible with all types of power amplifiers and speakers.3. Input/output accepts heavy speaker wire or speaker pin wire through the terminal port.4. Connect the power amplifier to amplifier 1-2-3-4.5. Connect speakers to speakers A and B respectively.6. Turn on your power amplifier stereo device and the product requires no external power supply.7. Input/output: 4 sets of input /2 sets of output (banana plug)8. Metal material, steel casing, compact size to fit any system.9. Channel power: Each channel supports power up to 300W.10. Net weight: 0.85kg11. Weight including packaging: 1.02kg12. Product size: Length 240mm X width 90mm X height 55mm13. Package size: Length 260mm X width 185mm X height 65mmPacking list:1 X 4 In 2 Out or 2 In 4 out Power Amplifier Speaker Select SwitcherSpecification: Package Weight One Package Weight 1.08kgs / 2.39lb One Package Size 26cm * 18.5cm * 6.5cm / 10.24inch * 7.28inch * 2.56inch Qty per Carton 10 Carton Weight 11.50kgs / 25.35lb Carton Size 38cm * 35cm * 28cm / 14.96inch * 13.78inch * 11.02inch Loading Container 20GP: 716 cartons * 10 pcs = 7160 pcs40HQ: 1662 cartons * 10 pcs = 16620 pcs

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1. Material: ABS+PC 2. 3-speed can be adjusted 3. Battery capacity: 4000mAh 4. Charging time: 6h 5. Working time: 3h-12h 6. Net weight: 522g 7. Packing list: - 1 x F5 fan - 1 x Type-C cable - 1 x ManualSpecification: Package Weight One Package Weight 1.02kgs / 2.24lb One Package Size 40cm * 15cm * 15cm / 15.75inch * 5.91inch * 5.91inch Qty per Carton 6 Carton Weight 6.20kgs / 13.67lb Carton Size 46cm * 41cm * 31cm / 18.11inch * 16.14inch * 12.2inch Loading Container 20GP: 456 cartons * 6 pcs = 2736 pcs40HQ: 1058 cartons * 6 pcs = 6348 pcs

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1. Simple operation, a gift for children2. Especially suitable for childrens games and instant communication between family members3. LCD display, including battery status indicator4. 121 privacy code, 10 call tones, VOX, monitoring function5. Support channel lock6. Transmit and receive icons7. Channel number and scan status8. Two-channel monitor can be set up9. Push-to-talk timeout timer10. Support setting and sending call tone11. Support setting sensitivity level12. Support setting the squelch level 1-613. Frequency: 462.5625-467.7250MHz14. Battery type: 3 xAA batteries (not included)15. Channel capacity: 2216. The size of the walkie-talkie: 160 x 55 x 28mm17. Weight: 84gSpecification: Package Weight One Package Weight 0.22kgs / 0.49lb One Package Size 18cm * 9cm * 7cm / 7.09inch * 3.54inch * 2.76inch Qty per Carton 40 Carton Weight 10.90kgs / 24.03lb Carton Size 36cm * 36cm * 35cm / 14.17inch * 14.17inch * 13.78inch Loading Container 20GP: 587 cartons * 40 pcs = 23480 pcs40HQ: 1364 cartons * 40 pcs = 54560 pcs

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1. Temperature-added style: You can switch the display temperature by pressing the button. When the temperature is displayed, only the power and temperature can be displayed, but the voltage cannot be displayed. 2. Color LCD, clear display, accurate measurement 3. Customize to meet the needs of various battery parameters 4. The battery voltage can be set, and the battery voltage can be measured in a wide range 5. Independent wiring, simple wiring 6. Power on the LCD display to work, you can switch the parameters displayed on the screen you need 7. Backlight control, the backlight can be turned on or off by the switch key 8. Embedded installation, flexible and not easy to break 9. Panel analysis, allowing you to receive products, easy to operate 10. When the battery low voltage alarm: the battery frame flashes 11. External precision adjustable potentiometer to calibrate voltage 12. Battery type: lead acid, lithium iron phosphate, ternary lithium iron 13. Voltage: DC7-70V 14. Temperature: -20 to 70 degrees Celsius 15. Application scenarios: battery test system, inverter power system, photovoltaic system, various battery power monitoring, assembly line test, automotive electronics 16. Dimensions: 61.3x33.3x13.5mm 17. Weight: 20g Precautions 1. Please read the instructions carefully before using the product 2. Exceeding the operating voltage range will cause damage to the product 3. This product is for indoor use, please do not use it outdoors 4. When users need to adjust the product voltage, they can make fine adjustments by rotating the potentiometerSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 5cm * 2cm / 3.94inch * 1.97inch * 0.79inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs40HQ: 458 cartons * 500 pcs = 229000 pcs

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1. Function: circuit board inspection, animal observation, plant observation, jewelry inspection2. Magnification: 1000X3. Power supply: 800 mA lithium battery4. Working environment: Android0 and IOS5. Can be controlled by mobile phone and connected to computer for use6. LED brightness adjustment button, rotate to adjust7. Dimensions: 140x100x160 mm8. Weight: 300 gramsPacking list:1. Microscope body2. Bracket3. Scale bottom plate4. Calibrate the size5. Instructions6. CD7. Charging cableSpecification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 16cm * 12cm * 6cm / 6.3inch * 4.72inch * 2.36inch Qty per Carton 92 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 92 pcs = 16284 pcs40HQ: 412 cartons * 92 pcs = 37904 pcs

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