 
    Bluetooth chip: QCC3024
Bluetooth version: V5.1
Effective range: 10~15m
Frequency range (Hz)﹕24MHz--32MHz 
Impedance (ohm)﹕8Ω 
Bluetooth Profile: A2DP,AVRCP,HFP,HSP
Receiving sensitivity (dB)﹕88dBm
Battery: 200mAh Power battery
Talking time(H)﹕10H 
Music time(H)﹕8H
Standby time(H)﹕10 days 
Charging time(H)﹕2H
USB port: MIC USB/ Magnet
Product size﹕128*117*47mm 
Product weight﹕34g