Bluetooth Headset V5.0 Dual Mic 25H Talk Time Handsfree for iPhone & Android
Bluetooth version: V5.0 2. Support protocol: Headset, HFP, A2DP, AVRCP 3. Transmission distance: about 15m (open place) 8. Up and down song can be selected 9. Support call mute function 10. Built-in dual microphones 11.