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: 60.6*45.2*21.7mm; total weight: 57g
5.It not  Support pop-up window for Apple phone when opening the cover of the charging case, three charge level indicators:, Bluetooth pairing name change, noise reduction page display, long press operation setting on the left and right headset, search for positioning, call Siri, sensitive to pressure control.