Q20 Bluetooth 5.2 Business Digital Display Sports Earhook Stereo Earphone(Black)

1. Material: ABS silicone ear caps2. Battery: 300mAh3. Frequency: 20Hz-20KHz4. Bluetooth version: 5.25. Support protocol: HEPHSPA2DAVRCP6. Transmission distance: about 10 meters7. Impedance: 32 ohms8. Charging time: about 2h9. Time for listening to songs/talking: about 30h10. Waterproof rating: IPX511. Microphone sensitivity: 85dB12. Packing list: earphone x1 charging cable x1 ear cap x2 manual x113. Headphone size: about 7.2x6x2.1 cm14. Headphone weight: about 12.6 gramsFeatures:1. Multi-process rigorous design to prevent sweat from damaging the components without fear of wind and rain2. The wonderful combination of composite diaphragm + large dynamic circle acoustic technology restores the high frequency and brightness of music and the fixed frequency is thick and flexible3. The soft rubber ear hooks are relaxed and comfortable to wear4. Double noise reduction system filter the noise of the external environment deep noise reduction so that the call is as clear as a face-to-f