Features:
Bluetooth V4.0
Portable lightweight and sweatproof design
Built-in sensitivity microphone
Built-in rechargeable Li-ion battery
Multipoint pairing (up to 2 phones)
English voice prompts
Specification:
Bluetooth version: V4.0
Operating distance: Up to 10m (free space)
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Standby time: Up to 80hrs
Talk / music playtime: Approximately 2-3 hours
Charging time: Approximately 1 hours
Frequency response: 20Hz-20kHz