1, Bluetooth 5.3; chip: JL AC6983
2, Battery capacity: charging compartment 300mAh; Headphones 30mAh
3. Use time: 4 hours; Standby time: 150 hours
4, Size: 60.6*45.2*21.7mm; Total weight: 57.6g
5. Support master-slave switching, up and down switching, summoning Siri, pressure sensitive operation and other functions