Portable Rechargeable Invisible Hearing Aid EU Plug

Coolbe: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist.

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Portable Rechargeable Invisible Hearing Aid EU Plug

1. Material: ABS 2. USB charging port 3. Lightweight and comfortable to wear 4. Built-in lithium battery 30mAh 5. Charging time: about 2 hours 6. Working voltage: d.c.1.2V 7. Working time: about 40 hours 8. Frequency range: 500-5000MHz 9. Input noise: less than or equal to 32dB 10. Working current: less than or equal to 1.2mA 11. Total harmonic distortion: less than or equal to 10% 12. Sound output: 129±3dB 13. Sound gain: greater than or equal to 40dB±5dB 14. Net weight: 6g