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 grams Features: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-face interview5. LED power display keep track of power6. Ergonomic ear-hanging design according to the shape of the human auricle disperses the stress points of the ear and is not easy to fall7. Fully compatible connect with Bluetooth support multiple APP platforms Bluetooth transmission connection distance up to 10M8. Built-in rotatable shaft easy to rotate 270 degrees the comfortable angle can be adjusted arbitrarily according to wearing habits9. Bluetooth 5.2 chip stable transmission simple connection more enjoyable calls and songs stable phone calls and no lag in games