Audífonos para personas mayores con Bluetooth, audífonos detrás de la oreja

Descripción del producto

What can I do if there is whistling? You can adjust the volume and choose the earcaps that fit your ears to lower whistling. Most whistling prblems can be solved by these 2 ways. How can I connect the bluetooth hearing aids to my phone? Just take them out of the charging box, and find "FAID" on bluetooth list. No need for APP. When I use the hearing aids as bluetooth headphones, does the hearing aids function still work? No. When you listen to music or answer the phones via bluetooth, the hearing aids will not amplify outside sound. And when there is no music or phone calls from bluetooth connection, its hearing aids feature will work again automatically. How long is the battery life? Do I need to change battery? For bluetooth headsets feature, it can last 13 Hrs; And for hearing aids feature, it can work over 18Hrs. There is a charging box, no need to change batteries. Why sometimes the battery runs very fast? Please shut off or place the hearing aids into your charging box when you do not use it. Because when the hearing aids are outside the box, they will keep on.

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