HXSJ Air-S28 TWS Bluetooth 5.3 True Wireless HiFi Stereo Make-up Mirror Earphones with Charging Case (Pink) Filter-Charger Interface type: Bluetooth wireless connection

Interface type: Bluetooth wireless connection

2 inch A2442(2021)

and the main router

One Package Size 45cm * 33cm * 8cm / 17

Speaker dustproof mesh replacement for iPhone 12

HXSJ Air-S28 TWS Bluetooth 5.3 True Wireless HiFi Stereo Make-up Mirror Earphones with Charging Case (Pink) Filter-Charger Interface type: Bluetooth wireless connection1. 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.