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