Bluetooth version 4.0
Protocol : A2DP, AVRCP, HSP, HFP
Talking time : about 5 hours
Bluetooth music : about 5 hours
Waiting time : about 150 hours
Charging time : about 2 hours
Frequency : 2.4GHZ - 2.48 GHZ
weight : 15g
length : 62mm
working area: about 10 meters
accessories : USB charging cable