About Product: 1. Bluetooth version:V5.4 2. Rated voltage:DC5V 3. Sensitivity:102+/-3dB 4. Frequency response range:20-20K Hz 5. Impedance:8 ohms 6. Transmission distance:Less than or equal to 10m 7. Earbud working time:5H 8. Earbud battery capacity:70mAh x 2 9. Lens:UV400
Function: 1. Touch control,built in call microphone,open style audio experience 2. HiFi high fidelity,double enjoyment(auditory+visual),lightweight travel 3. Intelligent control,magnetic fast charging