Fangrui Product Details 1. By301 Aux Car Bluetooth 5.0 Receiver Mobile Call Bluetooth Adapter 2. Bluetooth Device Name: Yp04 3. Bluetooth Chip Model: Ac6956a4 4. Bluetooth Version: V5.1 5. Bluetooth Transmission Distance: About 10 Meters 6. Power Supply Interface: Usb 7. Audio Output Interface: 3.5mm 8. Call Function: Support, Usba Male Connector Built-in Silicon Microphone 9. Working Voltage: 3.6-5.5v 10. Working Current: 20ma 11. Indicator Status: After Usb Power Supply, The Green Light Flashes Quickly, And After The Bluetooth Connection Is Successful, The Green Light Flashes Slowly 12. Frequency Response: 20hz-20khz 13. Size: About 0.5m In Length 14. Features: 15. After Usb Power Supply, The Green Light Flashes Quickly, And After The Bluetooth Connection Is Successful, The Green Light Flashes Slowly 16. 3.5mm Male Audio Output, Suitable For Car Audio, Ordinary Audio And Other Audio Equipment With Aux Interface 17. Enameled Copper Wire Core, High-fidelity Transmission, No Noise, No Current Sound 18. Bluetooth 5.1 Master Control, Stable Signal Transmission, No Delay And No Freeze, Listening To Songs More Smoothly 19. Support Mobile Phone Music And Call Functions, With Car Echo Cancellation 20. 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) 21. Automatic Connection Without Power Failure (automatic Connection After The Person Leaves The Car And Returns) 22. Built-in Antenna Design, Can Achieve 0-10m Long-distance Transmission 23. 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 Messy 24. Zinc Alloy Shell, Good Heat Dissipation, Non-hot, Longer Service Life