-------------Product Feature----------------
1, Bluetooth 5.3, chip: JL AC6973.
2. Battery capacity: charging case 400mAh; headset 35mAh.
3. Use time: 5 hours. Standby time: 180 hours.
4. Size: 54*51*26mm. Total weight: 43g.
5. Support master-slave switching, summon Siri.
6, Double-mic ENC noise reduction, clearer calls.