- Bluetooth 5.3; chip: JL AC7006A8-2. Battery capacity: charging case 300mAh; Headset 40mAh-3. Usage time: 7 hours; Standby time: 180 hours-4. Material: ABS；Size: 62 * 50 * 30mm; Total weight: 43g-5. ANC+ENC noise reduction true wireless Bluetooth headset with digital battery display; Supports one to two functionality, can be connected to two phones simultaneously.