Wireless Gm-108 Bluetooth Headset

Features: Bluetooth headset, wireless headset, music headset, sports headset
Weight: about 8g
Bluetooth version: 4.1
Signal range: 10 meters barrier-free
Battery capacity: 55mAH polymer
Standby time: about 144 hours
Call time: about 8 hours
Music time: about 5 hours
Charging time: about 2 hours