Bluetooth Version: JL5.0
VBAT: 2.2V - 5.5V / VDDIO: 2.2V - 3.6V /  RTCVDD: 2.2V - 3.6V
Support worldwide frequency band 76-108MHz
Compatible Devices： ios/android/WP7
Wireless BT distance: 10 meters
Frequency Response :  20-20KHz
Power Source:  20dB                                     
Battery:250mAh                                                   
Playing Time:about 3.5 hours
Charging time: Around 2 hours                     
With FM and TF Card Function
Support agreement：A2DP/AVRCP/HFP/HSP