Bluetooth Version:V5.4
Chip:AD6983D2
Bluetooth Protocol:HFP 、A2DP、HID 、AVRCP 、AVCTP、
AVDTP
Transmission Distance:10M
Talk time:3H
Music Playtime:4H
Standby time(earphone) :50H,
Standby time(Charging case): 250H
Battery capacity(earphone): 25mAh
Battery capacity(Charging case):300mAh
Charging time:1.5H
Speaker:Φ13
Speaker Sensitivity:-90dBm
Frequency Response:50Hz~21KHz