Bluetooth Version: 5.4
Chip: AD6983D2
Transmission Distance: 12 M
Music Playtime: about : 5Ha
Standby time: 30H; Call Duration: 3H
Battery capacity (Earphones): 30mAh
Battery capacity (Charging case): about 320mAh
Charging time:about 2H
Speaker size: ∮13mm
Speaker Sensitivity: -38db±3db
Charging port: Type-C
Color:White,black