Clip Ear Stereo External Sound Without Hurting Ear Business Sports Model Bluetooth Earphones(White) Filter-Micro USB Cable Keyboard size: about 30

Keyboard size: about 30

and the horizontal can be rotated 360 degrees

Can be used on Windows and Mac systems

and the work efficiency is improved

Clip Ear Stereo External Sound Without Hurting Ear Business Sports Model Bluetooth Earphones(White) Filter-Micro USB Cable Keyboard size: about 301. Bluetooth chip: Bluetooth 5656 2. Bluetooth version: V5. 3 3. Transmission distance: about 15m 4. Battery capacity: 50mAh 5. Charging time: about 1 2h 6. Use time: about 8 12h 7. Left and right frequency: 20Hz 20KHz 8. Impedance: 32 ohm 9. Sensitivity: 85dB mW 10. Waterproof rating: IPX 5 11. Material: PC+ABS 12. Size: about 3 x 2. 5 x 2cm 13. Weight: about 6g Features: 1. Ear clip design, wear stable and not fall off, no need to enter the ear, not