Bluetooth Version: V5.4
Chip: AB5656C
Bluetooth Protocol: A2DP,AVRCP,HSP,HFP
Transmission Distance: 10M
Talk time: 5H
Music Playtime: 7H
Standby time(earphone): 100H
Standby time(Charging case):350H
Battery capacity(earphone): 50mAh
Battery capacity(Charging case):400mAh
Charging time: 2H
Speaker: Φ14.2mm
Speaker Sensitivity: -85dBm
Frequency Response: 50Hz-20Khz