BOROFONE BW52 Tower true wireless BT headset - black

1. Bluetooth 5.3 chip: JL AC6983 2. Battery capacity: charging case 320mAh; headset 30mAh 3. Use time: 4 hours 4. Size: 62*53.2*23.2mm; Total weight: 35.4g 5. Support master-slave switching, summon Sir and other functions