1. Bluetooth 5.3; Chip: JL 6983D2
2. Battery capacity: charging case 300mAh; Headset 25mAh
3. Use time: 4 hours; Standby time: 180 hours
4. Size: 52.5*44.5*23mm; Weight: 44g
5. Support master/slave switch, summon Siri
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