Bluedio T7 Bluetooth Version 5.0 Headset Bluetooth Headset(Black)

1. Bluetooth version: 5.0 2. Transmission distance: 10 meters 3. Battery capacity: 650MA 4. Function: Voice over IP: Support 5. Music playback: support for devices with Bluetooth 6. One for two functions: not supported 7. Voice prompt: English 8. Support Line-in: support 9. Standby theoretical time: up to 1000 hours 10. Call theory time: up to 25 hours