1. Bluetooth device name: YP042. Bluetooth chip model: AC6956A43. Bluetooth version: V5.14. Bluetooth transmission distance: about 10 meters5. Power supply interface: USB6. Audio output interface: 3.5mm7. Call function: support, USBA male connector built-in silicon microphone8. Working voltage: 3.6-5.5V9. Working current: 20mA10. Indicator status: After USB power supply, the green light flashes quickly, and after the Bluetooth connection is successful, the green light flashes slowly11. Frequency response: 20Hz-20KHz12. Size: about 0.5m in lengthFeatures:1. After USB power supply, the green light flashes quickly, and after the Bluetooth connection is successful, the green light flashes slowly2. 3.5mm male audio output, suitable for car audio, ordinary audio and other audio equipment with Aux interface3. Enameled copper wire core, high-fidelity transmission, no noise, no current sound4. Bluetooth 5.1 master control, stable signal transmission, no delay and no freeze, listening to songs more smoothly5. Support mobile phone music and call functions, with car echo cancellation6. Support 1 drag 2 support, (connect 2 mobile phones at the same time, switch between two mobile phones at will, and share the music of two mobile phones)7. Automatic connection without power failure (automatic connection after the person leaves the car and returns)8. Built-in antenna design, can achieve 0-10m long-distance transmission9. The core wire is made of 6331 PP material, and the outer layer is made of TPU material and nylon braided wire, which is anti-winding, good elasticity, orderly and not messy10. Zinc alloy shell, good heat dissipation, non-hot, longer service lifeSpecification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 10cm * 8cm * 1cm / 3.94inch * 3.15inch * 0.39inch Qty per Carton 500 Carton Weight 17.00kgs / 37.48lb Carton Size 30cm * 50cm * 57cm / 11.81inch * 19.69inch * 22.44inch Loading Container 20GP: 311 cartons * 500 pcs = 155500 pcs40HQ: 724 cartons * 500 pcs = 362000 pcs