1. Bluetooth: 5.0 2. Battery capacity: earphone 30mAh, charging compartment 300mAh 3. Charging time: headset is about 1H, charging compartment is about 1.5H 4. Talk time: about 4H 5. Music time: about 3.5H 6. Standby time: about 45H 7. Speaker power: 3mW 8. Take out the automatic pairing, the connection is faster, and the transmission is more stable 9. Ergonomic design, comfortable to wear 10. Size: 65x50x25mm, weight: 76g
