BT5.0
Protocol：Support  HSP/HFP/A2SP/AVRCP
Earphone：3.7V/2*30mAh
Charging bin：3.7V/300mAh
Earphone charging time：0.5 hour
Charging time of charging bin：2 hour
Speaker size：13mm
Speaker power：16Ω 0.5W
Support call function：Dual pass
Playtime：3 hours
Talktime：3 hours
Standby time：120 hours
Weight of  charging bin：45g
Transmitting distance：More than 10M TWS mode
                                 More than 10M Monaural mode                         
Color：Blue/Black