Specifications:
 Version : V4.2+EDR
 Transmission Distance : 10M
 Battery : 65mAh/3.7V(rechargable lithium battery)
 Input : DC5V-50MA
 Talk Time: Around 4 hours
 Music Time : Around 4 hours
 Standby time: 80 hours
 Charging Time : About 2 hours
 Micro USB charging interface
 Dimension : 740x23x15mm