1. Bluetooth version: 5.1 2. Effective distance: about 10m 3. Frequency response: 20Hz-20KHz 4. Headphone battery: 40mAh/3.7V 5. Charging box battery: 320mAh/3.7V 6. Music time: about 6h 7. Talk time: about 4h 8. Charging time: about 2h 9. The number of times the headset can be charged by the charging box: about 3 times 10. The ergonomic design fits closely with the headset, and you can enjoy a comfortable experience even if you wear it for a long time. 11. 30 hours of strong battery life, easy and fast fingertip touch. 12. LED digital display, the power is clear at a glance. 13. Adopt Type-C charging interface, fast charging. 14. IPX5 waterproof and dustproof, the sound quality is always the same.
