Bluetooth 5.3; chip: JL AC6973Battery capacity: charging case 300mAh, Headphones 30mAhUse time: 4 hoursStandby time: 150 hoursSize: 60.6*45.2*21.7mm Total weight: 58.8gSupport master-slave switching, up and down switching, summoning Siri, sliding to adjust the volume
22.7664
