Specification:

 Chip set

 CSR chip set

 Bluetooth Version

 V1.2

 Support Profiles

 Headset & Hand-free profiles

 Output Power Class

 Class 2

 Battery Used

 120mAh (Rechargeable Lithium Polymer)

 Battery Voltage

 3.7V DC

 Charger

 5.0V - 5.8V (type. 300mA)

 Talk Time

 4 hrs

 Standby Time

 150--180 hrs

 Battery Charging Time

 2.5 hrs

 Range of operation

 10 meters