1. Bluetooth: 5.2
2. Battery type: polymer lithium battery
3. Indicator light: four-color light (red, yellow, green, white)
4. Charging interface: Type-C
5. Battery capacity: 120mAh
6. Buttons: function key x 1, volume + key x 1, volume-key x 1
7. Theoretical charging time: about 70 minutes
8. Theoretical music playing time: about 18 hours
9. Theoretical voice call duration: about 12 hours
10. Microphone: 1 silicon microphone, support the noise reduction of the call uplink
11. Horn: 2 moving coil units (diameter 13mm)
12. Headphone weight: about 25g
13. Magnetic design, anti-winding and anti-loss
14. Button operation, simple
15. Comfortable to wear

Packing list:
Wireless earphone x 1
Manual x 1
Ear supports (three sets of N-shaped ear supports, large, medium and small) x 1