1. Bluetooth 5.4; Chip: JLAC7003 2. Battery capacity: Charging case 300mAh, headset 30mAh 3. Usage time: 4 hours; Standby time 200 hours 4. Material: ABS 5. Supports noise reduction and transparency functions, master-slave switching, up and down song switching, summoning Siri, touch operation and other functions
