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Product Details 1. No-Hum AC hum eliminator 2. Easy to use, just plug it in! 3. Small and light, very portable, LED indicator 4. Suitable for use on 120V / 60Hz grounded USA-style power outlets 5. The No-Hum is specifically designed to eliminate ground-related Hum and Buzz issues, quickly and easily. 6. Simply plug it in, and it filters low voltage from the ground line that causes audio ground loop hum and buzz! Note that the Hum maintains a SAFE ground - NOT a ground lift! 7. The No-Hum does not manipulate voltage in any way, and will not affect sonic quality of audio gear. 8. The No-Hum is not designed to solve cable or pickup related noise. 9. Simply place the No-Hum on the power cord of offending equipment to get rid of hum and buzz. 10. A built-in LED indicator shows that the No-Hum is working. 11. The No-Hum is suitable for use on equipment up to but not exceeding 6 amps of current draw. Specification 1. Product net weight: 0.18 kg 2. Product size: length: 80mm x 44mm x 32mmSpecification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 10cm * 9cm * 6cm / 3.94inch * 3.54inch * 2.36inch Qty per Carton 144 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 36cm * 36cm / 23.62inch * 14.17inch * 14.17inch Loading Container 20GP: 342 cartons * 144 pcs = 49248 pcs40HQ: 796 cartons * 144 pcs = 114624 pcs

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1. Lightweight, easy to carry. 2. Convenient for travel and daily use. 3. Universal socket is available for below plugs: UK, AU, US, EU plug. 4. Rated current: 10A 5. Input voltage: 250VSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 6cm * 4cm * 3.5cm / 2.36inch * 1.57inch * 1.38inch Qty per Carton 300 Carton Weight 10.10kgs / 22.27lb Carton Size 40cm * 32cm * 23cm / 15.75inch * 12.6inch * 9.06inch Loading Container 20GP: 905 cartons * 300 pcs = 271500 pcs40HQ: 2102 cartons * 300 pcs = 630600 pcs

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1. Material: ABS+TPE2. Display value: 1999 (MAX)3. Power supply: 2 AA batteries (not included)4. DC voltage: 999.9mV/9.999V/99.99V/999.9V5. DC voltage (mV): 9.999mV /99.99mV6. AC voltage (V): 999.9mV/9.999V/99.99V/750.0V7. AC voltage (mV): 9.999mV /99.99mV8. DC current (mA&A): 999.9mA/9.999A9. DC current (A): 9999A10. Alternating current (mA&A): 999.9mA/9.999A11. Alternating current (A): 9999A12. Resistance: 0.00-9.999 milliohms13. Capacitance: 0.00-9.999mF14. Hertz: 0.00MHz-5.000MHz15. Automatic shutdown after 15 minutes without operation16. With a 45-degree bracket on the back, it is easy to stand up and operate17. Dimensions: 145x32.7x72mm18. Weight: 171 gramsThe standard package includes:1. Multimeter2. Test wire 3. ManualThe standard package with a combination cable includes:1. Multimeter2. Test wire 3. Manual4. Combination lineSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 20cm * 12cm * 6cm / 7.87inch * 4.72inch * 2.36inch Qty per Carton 40 Carton Weight 21.00kgs / 46.30lb Carton Size 50cm * 50cm * 42cm / 19.69inch * 19.69inch * 16.54inch Loading Container 20GP: 253 cartons * 40 pcs = 10120 pcs40HQ: 589 cartons * 40 pcs = 23560 pcs

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Features1. TPA3251D2 power amplifier chip scheme is adopted: TPA3251D2 is a high-performance class D power amplifier, which has class D efficiency and can bring real high-end sound quality. The device features advanced integrated feedback design and proprietary high-speed gate driver error correction (pure path TM HD). This technology can make the device maintain ultra-low distortion in the whole audio frequency band and show high-definition sound quality at the same time. 2. Bluetooth-compatible 5.1 audio power amplifier module: 2.1 dual channel stereo output, output power 220W * 2 (left and right channels) + 350W (subwoofer), pure HiFi sound quality. The treble is pure and transparent, the midrange is gentle and delicate, and the bass is surging and shocking. 3. Classic appearance multifunctional main knob: the main knob adopts rotary encoder only used in high-end power amplifier to realize 360 degree stepless tuning. It feels smooth, one key start and stop, long press to start and stop, and the operation is simple and convenient. 4. Support mobile app control: newly upgrade Sini link app; Support to modify Bluetooth-compatible name; Set Bluetooth-compatible password; Off / on tone 5. Supported audio input: Bluetooth-compatible 5.1, AUX, USB sound card, USB flash disk 6. Heat dissipation mechanism: Heat sink + fan for heat dissipation, safe and worry free. Large area aluminum alloy heat sink with special-shaped structure and fan support are adopted to reduce the temperature and effectively ensure the full power operation of the productSpecification1. Power supply: Above DC12-38V/10A 2. Bluetooth version: 5.1 3. Audio channel: 2.1 channels 4. Audio input: Bluetooth-compatible + AUX + USB flash disk + USB sound card 5. Audio output: left and right channels + subwoofer 6. Frequency range: 20Hz -- 20KHz 7. Volume adjustment: Encoder knob adjustment, smooth feel 8. Output power of left and right channels: - 220W/3ohms--36VDC - 175W/4ohms--36VDC - 100W/8ohms--36VDC 9. Output power of subwoofer: - 355W/2ohms--36VDC - 250W/3ohms--36VDC - 195W/4ohms-36VDC 10. Protection mechanism: Overvoltage, undervoltage, clipping, short circuit, overheating and other protection 11. Unique functions: Support sinlink app, modify Bluetooth-compatible name, set Bluetooth-compatible password, and turn off / on prompt tone 12. Product size: 130mm x 116mm x 27mmSpecification: Package Weight One Package Weight 0.42kgs / 0.92lb One Package Size 15cm * 12cm * 4cm / 5.91inch * 4.72inch * 1.57inch Qty per Carton 40 Carton Weight 17.00kgs / 37.48lb Carton Size 42cm * 25cm * 32cm / 16.54inch * 9.84inch * 12.6inch Loading Container 20GP: 793 cartons * 40 pcs = 31720 pcs40HQ: 1842 cartons * 40 pcs = 73680 pcs

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1. Employs the Raspberry Pis officially designed RP2350 microcontroller chip.2. Unique dual-core, dual-architecture design, featuring a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both operating at flexible clock speeds up to 150MHz.3. Uses Infineons CYW43439 wireless chip, supporting Wi-Fi 4 and Bluetooth 5.2.4. Built-in 520KB SRAM and 4MB on-chip Flash.5. Stamp hole design for direct soldering to user-designed baseboards.6. Pico 2 WH uses official solder headers; no stamp hole design, connection to the baseboard is only possible via headers.7. USB 1.1 host and device support.8. Supports low-power sleep and hibernation modes.9. Can be recognized as a mass storage device via USB for drag-and-drop program downloads.10. Up to 26 versatile GPIO pins.11. 2 One SPI, two I2C, two UARTs, three 12-bit ADCs, and 16 controllable PWM channels.12. Twelve programmable I/O (PIO) state machines for custom peripheral support.Specification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 5cm * 8cm * 3cm / 1.97inch * 3.15inch * 1.18inch Qty per Carton 462 Carton Weight 19.60kgs / 43.21lb Carton Size 50cm * 37cm * 35cm / 19.69inch * 14.57inch * 13.78inch Loading Container 20GP: 411 cartons * 462 pcs = 189882 pcs40HQ: 956 cartons * 462 pcs = 441672 pcs

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Features1. Solar power panels use Sunpower solar cells, which are much more efficient than ordinary solar cells. 2. Ultrathin and foldable design for more convenient carrying. 3. Equipped with voltage regulator, the voltage output is more stable and the charging is more secure. 4. Comfortable fabric, not afraid of the sun, not afraid of rain, charging without worry. 5. Connect directly to your device via the USB port. 6. With hook, you can hang it to the tree fork or the top of the umbrella during the charging process, and with a clip, you can clip on strap or sling.Specifications1. USB output 1: 5V 2.1A, USB output 2: 5V 3A / 9V 2A / 12V 1.5A 2. Support DCP, QC 2.0, QC 3.0, MTK PE1.1/PE2.0, FCP, SCP, SFCP fast charge protocol 3. Solar panel power: 3x7W 4. Solar panel size: 25.7x12.5cm 5. Size: 47.6x28.5cm (unfold), 16.2x28.5x2.5cm (fold) 6. Weight: 446gSpecification: Package Weight One Package Weight 0.46kgs / 1.02lb One Package Size 30cm * 16cm * 3cm / 11.81inch * 6.3inch * 1.18inch Qty per Carton 40 Carton Weight 19.20kgs / 42.33lb Carton Size 62cm * 34cm * 32cm / 24.41inch * 13.39inch * 12.6inch Loading Container 20GP: 395 cartons * 40 pcs = 15800 pcs40HQ: 917 cartons * 40 pcs = 36680 pcs

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1. Remote control distance: about 8 meters 2. Battery: AAA*2 (not included) 3. Battery life: about 12 months 4. Combine the buttons of different home appliance remote controllers into one remote controller to make your life easier 5. With permanent memory retention function 6. Easy to useSpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 22cm * 13cm * 4cm / 8.66inch * 5.12inch * 1.57inch Qty per Carton 80 Carton Weight 7.66kgs / 16.89lb Carton Size 44cm * 52cm * 40cm / 17.32inch * 20.47inch * 15.75inch Loading Container 20GP: 291 cartons * 80 pcs = 23280 pcs40HQ: 676 cartons * 80 pcs = 54080 pcs

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1. Self-calibration function2. Built-in 4400 mAh battery3. Powerful power management capability4. Ultra-low power consumption: less than 3W5. Small and lightweight, compact shape6. One button setting, automatic measurement7. Dual channel, 40/70M optional8. Suspendable bracket, save working space9. Support SCPI communication function, convenient for secondary development10. Oscilloscope + multimeter + signal source multifunction in one11. One package adhesive design, long time use is not easy to fall off12. High-resolution color LCD screen, clear and delicate display13. Type-c charging interface, support charging power, support the upper computer connection14. Oscilloscope function: double sampling mode, high refresh, deep storage, support 7 kinds of automatic measurement, cursor measurement function, save function15. Size: 96x38x198mm16. Weight: about 600gSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 22cm * 13cm * 5cm / 8.66inch * 5.12inch * 1.97inch Qty per Carton 42 Carton Weight 30.00kgs / 66.14lb Carton Size 45cm * 45cm * 17cm / 17.72inch * 17.72inch * 6.69inch Loading Container 20GP: 774 cartons * 42 pcs = 32508 pcs40HQ: 1798 cartons * 42 pcs = 75516 pcs

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Product Presentation：Do you have 4 power amplifiers and 2 sets of speakers that need to be connected to each other? Do you need four amplifiers and two sets of speakers to get stuck?A powerful amplifier and audio switcher can solve these problems,1. 4 power amplifiers push-button select switch input,2 sets of stereo speakers push-button select switch output (2 sets of speakers can be opened or closed independently)2. sets of stereo speakers can sound at the same time, you can also turn off one group of speakers or more groups of speakers individually, manually select the pushbutton switch3. The maximum power of each channel is 300W4. Signal input provides vacuum tube power amplifier signal no-load protection function5. manual selection of input and output switching, straight plug straight use, switching signal stability, between channels will not produce another dry close or noise6. Compact design of solid metal shell, easy installation, the product does not need external power7. Simple installation: Input and output plug and play easy installation, you can enjoy different audio experienceProduct Parameter：1. Compatible with all types of power amplifiers and speakers2. Input/output accepts heavy-duty speaker wire or speaker pin wire through the terminal port3. Connect the power amplifier to amplifier 1-2-3-44. Connect the loudspeaker to position A and B respectively5. Turn on your power amplifier stereo device and the product requires no external power supply6. Input:4 sets of inputs (banana plug)7. Output: 2 sets of output (banana plug)8. Power: Up to 300W9. Metal material, fine steel housing, compact size suitable for any system10. Channel Power: Each channel supports up to 300W of power11. Frequency response: 10Hz-50KHz12. Net weight: 0.93 kg13. Packed weight: 1.09 kg14. Product size: length 240mm x width 105mm x height 55mm15. Packing size: length260mm x width 185mm x height 65mm16. Kit list：4 input 2 output power amplifier and sound switcher loudspeaker switch distributor x 1Specification: Package Weight One Package Weight 1.21kgs / 2.67lb One Package Size 26cm * 19cm * 7cm / 10.24inch * 7.48inch * 2.76inch Qty per Carton 26 Carton Weight 30.00kgs / 66.14lb Carton Size 78cm * 57cm * 21cm / 30.71inch * 22.44inch * 8.27inch Loading Container 20GP: 285 cartons * 26 pcs = 7410 pcs40HQ: 663 cartons * 26 pcs = 17238 pcs

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【Product Details】"No-Hum AC Hum EliminatorEasy to Use, just Plug it In!Small and Light, Very PortableLED IndicatorSuitable for use on 120V 60Hz grounded USA-style power outletsThe No-Hum is specifically designed to eliminate ground-related Humand Buzz issues, quickly and easily.Simply plug it in, and it filters low voltage from the ground line that causes audio ground loop hum and buzz! Note that the Hum maintains a SAFE ground --NOT a ground lift! The No-Hum does not manipulate voltage in any way,and will not affect sonic quality of audio gear.The No-Hum is not designed to solve cable or pickup related noise.Simply place the No-Hum on the power cord of offending equipment to get ridof hum and buzz. A built-in LED indicator shows that the No-Hum is working.The No-Hum is suitable for use on equipment up to but not exceeding 6 amps of current draw." 【Product features】No-Hum AC Hum EliminatorEasy to Use, just Plug it In!Small and Light, Very PortableLED IndicatorSuitable for use on 120V 60Hz grounded USA-style power outletsProduct net weight: 0.18 kgProduct weight after packing: 0.23kgProduct size: length:80mm X width:44mm X height:32mmPacking size: length:90mm X width:82mm X Height:57mm 【Packing list】 1 X B983—AC ground circuit buzz eliminatorSpecification: Package Weight One Package Weight 0.22kgs / 0.48lb One Package Size 9cm * 8.2cm * 5.7cm / 3.54inch * 3.23inch * 2.24inch Qty per Carton 64 Carton Weight 15.00kgs / 33.07lb Carton Size 35cm * 32cm * 22cm / 13.78inch * 12.6inch * 8.66inch Loading Container 20GP: 1082 cartons * 64 pcs = 69248 pcs40HQ: 2512 cartons * 64 pcs = 160768 pcs

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About The ProductOverview 1. This is an industrial USB to RS485 converter with original FT232RL and SP485EEN inside. It features embedded protection circuits such as lightningproof, resettable fuse, ESD protection, and TVS diode, etc. It is pretty small in size. 2. The USB TO RS485 is very easy to use, allows automatic transceiving. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement. Features 1. USB to RS485 communication 2. Adopt original FT232RL and SP485EEN, fast communicating, stable and reliable, better compatibility 3. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic 4. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance 5. 3 LEDs for indicating the power and transceiver status Specifications 1. Product type: Industrial converter 2. Baudrate: 300-921600bps 3. Host port: USB 4. Device port: RS485 5. USB: - Operating voltage: 5V - Connector: USB-A - Protection: 200mA self-recovery fuse, ESD protection - Transmission distance: about 5m 6. RS485: - Connector: screw terminal - Pins: A+, B-, GND - Direction control: hardware automatic control - Protection: 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor) - Transmission distance: about 1200m (low rate) - Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) 7. LED indicators: - PWR: red power indicator, light up when there is USB connection and voltage is detected - TXD: red TX indicator, light up when the USB port sends data - RXD: red RX indicator, light up when the device ports send data back 8. Operating environment: - Temperature: -15 ~ 70 degree - Humidity: 5%RH ~ 95%RH 9. Operating system: Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XPPackage List1. USB TO RS485 x 1 2. USB-A male to female cable x 1 3. Screwdriver x 1Specification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 19.00kgs / 41.89lb Carton Size 42cm * 22cm * 22cm / 16.54inch * 8.66inch * 8.66inch Loading Container 20GP: 1311 cartons * 200 pcs = 262200 pcs40HQ: 3045 cartons * 200 pcs = 609000 pcs

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1. LCD screen display with synchronised lyrics2. Bluetooth call and recording function, Bluetooth version 5.03. Decode MP3, WMA, WAV, FLAC, APE lossless format music4. Read USB disk TF card5. Support FM radio, frequency band (87.5MHZ-108.0MHZ)6. External audio input LINE IN 7. Support 10m distance infrared remote control operation8. Pushbuttons: six buttons for multi-directional control, REC / REPEAT / VOL- / AUTO / VOL+ / MODE9. 12V power supply, power failure memory10. Dimensions: length 90 x width 57 mm; depth 28 mmKey operation details: 1. REC: press the REC button to start recording, press the REC button again to cancel the recording function and play the recording file; when recording than a storage device needs to be connected, e.g. U disk or TF card.2. REPEAT: Press once for the single song loop function, then press again to cancel the single song loop and play in sequence.3. VOL-key (previous song/volume down): short press for previous song in MP3 status, long press for volume down; short press for adjusting a station number upwards in FM status; short press for Bluetooth previous song in Bluetooth function, long press for volume down4. AUTO button (play/pause): short press for play/pause in MP3; short press for play/pause in FM, long press for auto receive and save station; short press for play/pause in BluetoothVOL+ button (next song/volume up): short press for next song in MP3, long press for volume up; short press for downward adjustment of a station number in FM; short press for next song in Bluetooth, long press for volume down6. MODE button: switch between USB / TF / FM / Audio input / Bluetooth function in sequenceSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 11cm * 7cm * 5cm / 4.33inch * 2.76inch * 1.97inch Qty per Carton 356 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 356 pcs = 63012 pcs40HQ: 412 cartons * 356 pcs = 146672 pcs

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