1, Bluetooth 5.3; chip: JL AC6973D4
2. Battery capacity: charging compartment 300mAh; earphone 40mAh
3. Use time: 7 hours; Standby time: 200 hours
4. Size: 54.2*46.2*21.4mm; total weight: 46g
5. It not Support pop-up window for Apple phone when opening the charging case cover, three battery level indicators change Bluetooth pairing name, display settings page, search for location, call Siri, touch control.