1. Bluetooth version: 5.1
2. Output interface: AUX+USB
4. Power supply mode: 5V
5. Bluetooth distance: 10 meters
6. Signal-to-noise ratio: -95db
7. Answer the call: support
8. Any USB power supply, one end of the audio cable is connected to the speaker or car, one end is connected to the device, the mobile phone searches for the connection to this device, and the mobile phone music can be transmitted to the speaker or car via Bluetooth
9. It can be directly plugged into a speaker, car amplifier and other equipment with a USB interface, and it can be transmitted via USB without the need for an audio cable
10. Bluetooth 5.1 chip, faster speed and better compatibility
11. Simple operation, two output modes, intelligent switching
12. Suitable for speakers or cars without Bluetooth