1. The sound unit is true: copper ring + PK 32 ohms
2. Headphone form: in-ear
3. Frequency response range: 20HZ-20KHZ
4. Binaural call: support
5. Bluetooth specification: Bluetooth 5.1
6. Delay time: 40ms
7. Charging port: Type-C
8. Headphone battery capacity: 30mAh
9. Battery capacity of the charging box: 200mAh
10. Life time: 5-6 hours
11. Charging time: 1 hour
12. Music mode: better fidelity HiFi sound quality, dynamic range, excellent acoustics
13. Game mode: low latency in the game, position recognition by listening, no resistance to eat chicken