Solution :

Jerry

Bluetooth version :

Bluetooth V5.0

Transmission distance :

10 m

Use time :

About 4 hours

Standby time :

80 hours

Battery capacity(BANK) :

280 mAh

Battery capacity(Earphone) :

45 mAh

Battery type :

Rechargeable lithium battery

Charging time :

1 hour

Music playing time :

4 hours