Features:
lightweight and sweat-proof design
Built-in microphone
Built-in rechargeable Li-ion battery
Clear bass resonance， CVC wind noise reduction， and superior sound isolation
Sweat-proof: Effectively prevent sweat and sprinkle rain interfere with headset operation.
Caller report， line control answer/hang up/rejection/on-off， redial， mute， volume adjustment， Chinese-English shifting， intelligent one-driving-two， music pause/play， up and down song switching
Specification:
Bluetooth version: V4.1
Operating distance: 10m (free space)
Bluetooth profiles: A2DP， AVRCP， HSP， HFP
Talk/music playtime: Approximately 4.5 hours
Standby Time :180 hours
Charging time: Approximately 2 hours
Compatible For iPhone/Nokia/HTC/Samsung/LG/Moto/PC/iPad/PSP and other