Bluetooth Version: V5.4
Chip: JL7003D4
Transmission Distance: >10M
Music Playtime: about 6H
Standby time: 60H
Call Duration: 3H
Battery capacity (Earphones): 35mAh
Battery capacity (Charging case): 400mAh
Charging time: about1.6H
Speaker size: Φ10mm
Speaker Sensitivity: -38dB
Charging port: Type C
Impedance: 200Ω
Frequency Response Range: 20HZ~20KHZ
Color: blue, gold