PRODUCT DETAIL 1. Material: zinc alloy, TPE 2. Interface: AUX, USB 3. Transmission rate: 10Mbps 4. Effective working radius: about 10m 5. Bluetooth version: 5.0 6. Bluetooth protocol: A2DP, HFP 7. Signal-to-noise ratio: greater than 90dB 8. Frequency response: 20HZ-20KHZ 9. Power supply interface: USB2.0A male Features: 1. Support SBC high-definition audio decoding, clearly restore music details 2. Built-in power isolation module to filter current interference 3. Enameled copper wire core, high-fidelity transmission, no noise, no current sound 4. Built-in microphone, hands-free amplifying high-definition call, keep both hands on the steering wheel, driving safer 5. After pairing is successful, start the car to automatically connect 6. All-inclusive type with longer tail cable, more even force, 10mm reinforced and longer, resistant to bending without breaking 7. Equipped with high-performance Bluetooth 5.0 chip, stable signal, high-speed transmission, and quick response 8. Support one-to-two function, switch between two mobile phones at will 9. The shell is made of zinc alloy material, which is wear-resistant and compressive, quickly dissipates heat, and is durable 10. The thread body is made of high resilience TPE material, anti-winding, good elasticity, 0.3-1.5m free expansion and contraction 11. 3.5mm interface equipment is universal, convenient and quick