Bluetooth version:Bluetooth 4.2
Support protocol:A2DP/AVRCP/HFP/HSP
Bluetooth chip:QCC3020/BK/CSR
Working frequency:20HZ-20KHZ
Horn diameter:10mm
Speaker Impedance:32 ohm
Speaker power:7mW
Battery:lithium polymer battery,260mAH
Music playback time:22 Hours
Call time:24 Hours
Standby time:30 Days
Charging time:3 Hours
Charging port:USB
Wireless transmission distance:10 meters (open space) built-in microphone
Microphone Sensitivity:-46dB
Headphone Type:In-Ear
IOS device power display
Supports multi-point connections
Support hands-free function
Main material:PC/ABS
Surface treatment:UV spray+electroplating
Weight:10g
Dimensions(L*W*H):59*16*10.5mm