1, Bluetooth 5.3, chip: JL AC7003
2. Battery capacity: charging case 300mAh; headset 40mAh
3. Usage time: 7 hours
4. Dimensions: 62.5*48*26mm; Total weight: 72g
5. Supports ANC noise reduction, earphones support scrolling to adjust volume, support one-to-two switching, master-slave, recall Siri, etc.