Bluetooth: Bluetooth 5.1

• Battery capacity: charging compartment 300mAh, earphone 30mAh
• Talk/music time: 4 hours, 150 hours standby
• Size: 54.4*46.4*21.38mm; total weight: 37.91g
• Support Magsafe wireless charging and Qi standard wireless charging, in-ear detection, master-slave switching, call Sir; touch and press operation