1. Bluetooth 5.3; chip: Jerry AC6983
2. Battery capacity: 300mAh for charging compartment, 30mAh for earphones
3. Use time: 4 hours; standby time 150 hours
4. Size: 54.2*46.2*21.4mm
5. Supports master-slave switching, summoning Sir, pressure-sensitive operation,
does not support pop-up function, does not support in-ear detection, does not
support MagSafe magnetic wireless charging, does not support long-pressing
the button to clear the pairing function.