Bluetooth version: V5.0

Chipset: JL

Bluetooth working range: ≤10m

Headphone battery: 30mAh

Box battery: 250mAh

Charging Port: T-C

Music time: 4 hours.

Talk time: 4 hours

Standby time: 120 hours

Charging time for case: 3 H

Charging time for headphones: 1H

Size: 49.6*21.6*40mm

Colors: Yellow,Bwhite,Black