Fone de ouvido Bluetooth de condução óssea estéreo tipo grampo de ouvido único (rosa)

1. Bluetooth chip: BlueTrum 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. Adopt ear clip design, wear stable and not fall off, no need to enter the ear, not pick the size of the ear 2. HIFI-level sound quality, high-frequency translucent, mid-frequency delicate, low-frequency thick 3. Skin-friendly silicone elbow, bending without deformation, comfortable and sensation-free wearing 4. Fully enclosed sound cavity design, daily waterproof and dustproof, easy to clean up 5. Bluetooth 5.3 chip, low loss, fast response to data transmission, anti-interference stronger 6. Left and right ear wear, two headphones only have binaural TWS function 7. Touch operation, convenient and quick