Bluetooth version:JLor Bluetrum can be choose V5.3
Charging casing battery: 400mAh
Earbuds battery:40mAh
Speaker:10mm
Playback time: 7hrs+21hrs
Calling time: 6hrs+18.5hrs
Bluetooth range: ≈10m
Charging time:≈2hrs
Charging port: Type-C
Frequency response: 20-20KHz
Mode of operation: Touch