Bluetooth 5.0 mini True Wireless Earbuds with Charging Box Waterproof Earphone Volume Control Mini TWS Headphone for Sports

Condition: New

Specification:
1st driver: 15mm
2. impedance: 32 OHM
3.Bluetooth version: Bluetooth v5.0 + EDR
4. Use Bluetooth band: 2.4 GHz
5. Power level: CLASS II
6. Output power: 30 mW
7. Bluetooth distance: 10 meter barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2V
10. Mic sensitivity: -42dB
11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
12.Powerful noise de-noising circuit (active noise reduction)
13. Switch between Chinese and English (boat does not connect Bluetooth state, press the switch 2 times, the sound hear switch successfully)
14. Talking time is about 2-3 hours
15. Music time over 1.5-2 hours
16. Standby time is over 100 hours

Package contains:
2 x i7s tws bluetooth headphones (left and right earphones)
1 x charging box
1 x USB charging cable
1 x user manual