Bluetooth version：Bluetooth V5.3
Support protocol：A2DP/AVRCP/HFP/HSF
Chip：JL AC7003F
Working frequency：20HZ-20KHZk
Horn diameter：16mm
Speaker Impedance：8 ohm
Speaker power：500mW
Battery：lithium polymer battery,180mAH
Music playback time：4 Hours
Talk time：6 Hours
Standby time：20 Days
Charging time：2 Hours
Charging port：TYPE-C
Wireless transmission distance：10 meters (open space)
Headphone type：Binaural Bone conduction
IOS device power display
Supports multi-point connections
Support hands-free function
Main material：PC+ABS
Surface treatment：material
Weight：30g
Dimensions (L*W*H)：125*108*52mm