Car Bluetooth Receiver Bluetooth Audio Receiver HD Call AUX Adapter 1. Interface: USB 2. Stable and not stuck 3. HD hands-free calling 4. Bluetooth name: EB01 5. Bluetooth version: 5.0 6. Output interface: 3.5mm 7. Transmission rate: 9 (Mbps) 8. Transmission distance: 10 meters without barriers 9. Working frequency: 2400 (MHz) 10. Cable length: 35cm unstretched, 110cm stretched 11. Built-in high-definition noise reduction microphone, incoming calls are clear and no echo 12. USB direct power supply, no need to worry about insufficient power and battery life 13. Memory connection, after connection, it will automatically pair and connect next time you turn it on 14. Gold-plated 3.5mm plug + enameled copper wire core, not afraid of oxidation, and improve the sound quality 15. Anti-current interference circuit design, effectively isolates the squeak caused by the current, making the sound quality more pure 16. Connect the signal directly through the AUX port, which is more stable, faster and easier to connect than the FM Bluetooth transmitter. 17. The 3.5mm plug can connect to non-Bluetooth car and audio equipment such as sound effects through the AUX interface, so that it has Bluetooth function 18. 0.35-1m spring wire, the wire is made of high resilience TPE material, which can be expanded and contracted at will without deformation, anti-winding and not messy, convenient for storage and use 19. Unit weight: 0.03kg 20. Product size: 15 x 13 x 2cm