Full duplex device
Comply with standard of bluetooth V2.0+EDR
Support headset profile, Hands-free profile
Class 2 type output power
3-meter range
Frequency 2.40GHz-2.48GHz
Support multi-cell-matching, at most to 8 pieces of cell phone
Handsfree inner chargeable lithium battery: DC4.2v 1100nAH
Power adapter output: 5.0V-5.8V( type 500mA)
Charging thime: about 2 hours
Talk Time: 20 hours
Standby time: Up to 800 hours
Size: 138 * 60 * 25mm
Weight: 130g
Packing: 218 * 153 * 66mm