power, charging, operating and mobile phone matching
Compatible with most Bluetooth-enabled cell phones and smart phones
Bluetooth Specification v2.1+EDR class 2
RF Range: 2.402-2.480GHZ, 2.4GHz ISM band
Supports Bluetooth headset and hands free profiles
Built-in echo and noise reduction
Operating range: up to 33ft.
Pair up two mobile phones at the same time (multipoint function)
Talk time: up to 5½ hours
Standby time: up to 100 hours
Speaker volume control
3 button design: Answer/End, VOL+, VOL-
Voice dialing, call switching, last number redial and mute
Power: rechargeable 80mAh Li-polymer battery