1. Small and easy to carry.

2. Dual-channel transmission, the headset supports master-slave switching.

3. With LED power display.

Brand: Lenovo

Model: QT81

Bluetooth version: 5.1

Power: 3mW

Charging base battery capacity: 1200mah

Headphone battery capacity: 40mah

Single machine net weight: 55g

Talk time: 3-5 hours

Headphone category: true wireless headphones

Waterproof performance: IPX5

Transmission radius: 10m