OEM TWS sport earbud

Bluetooth version: 5.0

Solution: bluetrum

Frequency range: 2.4-2.48GHz

Transmission distance: 10 meters

Frequency response: 20-20kHz

Play time: about 4 hours

Headphone battery capacity: 40mAh * 2

Battery capacity of charging box: 300mAh

the charging box to charge the headset times: ≈ 2 times

Charging time: 1.5-2 hours

Standby time: 180 hours