Detail:  Connectivity: Wireless
Frequency Response: 20-20000Hz
Impedance: 16ohms
Music Time: 3h
Sensitivity: 93dB ± 3dB
Talk Time: 3h

Bluetooth: Yes
Bluetooth Chip: CSR8610
Bluetooth Distance: W/O Obstacles 10m
Bluetooth Mode: Headset
Bluetooth Protocol: A2DP,AVRCP,HFP,HSP
Bluetooth Version: V4.1