Specifications:
 Version : V5.0
 Transmission Distance : 10m
 Battery : 40mAh/3.7V
 Input : DC5V-40MA
 Talking Time : Around 4 hours
 Music Time : Around 3 hours
 Standby Time : Around 80 hours
 Charging Time : About 2 hours
 Dimension : 27mmx16.3mmx26.6mm
 NetWeight : 5.4g