Bluetooth version:Bluetooth 5.0
Support protocol:A2DP/AVRCP/HFP/HSP
Bluetooth chip:QCC3020/BK/CSR
Working frequency:20HZ-20KHZ
Horn diameter:10mm
Speaker Impedance:32 ohm
Battery:lithium polymer battery,260mAH
Music playback time:22 Hours
Call time:24 Hours
Charging port:USB
Wireless transmission distance:10 meters (open space) built-in microphone
Supports multi-point connections
Main material:PC/ABS
Weight:10g
Dimensions(L*W*H):59*16*10.5mm