HAMTOD CS121 Stereo TWS Wireless Bluetooth Earphone(White)

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.