Model : BTE 109^
Version : V 5.0
Input : DC 5V
Battery Capacity : 3.7/50 mAh
Talking time :2-3 Hours
Charging time : 50 Min
Provil support : SPP/HFP/A2DP/AVRCP
Sensitivity : 96 + 3dB
Frequency Response : 20-20,000Hz
Impendance : 32 ohm
Power Storage room battery capacity : 300 mAh