Portable Rechargeable Invisible Hearing Aid EU Plug

Coolbe: This product is a medical device which must be used only as intended and in accordance with the instructions for use. This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.

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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