HXSJ Air-S28 TWS Bluetooth 5.3 True Wireless HiFi Stereo Make-up Mirror Earphones with Charging Case

1. Bluetooth version: BT5.3
2. Effective distance: 10m
3. Horn diameter: 13mm
4. Speaker power: 3MWx2
5. Impedance: 32 Ohm
6. Microphone sensitivity: -42db+1dB
7. SNR: more than 90dB
8. Distortion: less than 3%
9. Length of charging line: 30cm
10. Frequencyresponse: 20Hz~19KHz
11. Playing time: about 4 hours
12. Earphone battery capacity: 30mAh
13. Battery capacity of charging chamber: 300mAh
14. Weight: 53.3g
15. Headphone size: 3.3x2x1.7cm
16. Package List:
– Bluetooth headset x 2
– Charging cable x 1
– Charging box x 1
– Manual x 1