Dobrý den, chtěla bych se zeptat, jestli je normální, že při zvyšování nebo snižování hlasitosti se ve sluchátku ozve vysoký nepříjemný tón. Nikde v návodu jsem nenašla, že by se něco mělo ozývat a ten tón je velmi silný a nepříjemný. Jitka

The Platinium Digital JH-351 hearing aid provides clear, high quality sound with minimal distortion and high amplification. This digital sound amplifier is designedfor the hearing impaired,which helps to significantly improve the quality of everyday communication. The body colour makes the device discreet and almost invisible during normal wear. The silicone part that inserts into the ear is available in different sizes, ensuring a perfect seal in the ear canal and eliminating distracting interference sounds. The Platinium Digital JH-351 hearing aid uses the latest digital technology that puts it at the top of its category, making it a great choice for both indoor and outdoor use.

The Digital Rechargeable Personal Sound Amplifier is equipped with advanced technologies that guarantee reliable performance and versatile use. Thanks to the rechargeable Li-Ion battery with a capacity of 3.7 V / 35 mAh, the device provides up to 30 hours of operation after only 2 hours of charging. USB charging cable with AC/DC adapter is included. The hearing aid offers a frequency range of 220-6100 Hz and a maximum gain of 38 dB for exceptionally clear sound suitable for a variety of situations, from listening to the radio or TV to office meetings or everyday conversation.

The Platinium Digital JH-351 hearing aid is designed for both right and left ear use and provides a comfortable user experience thanks to its sensitivity of 31dB. Discreet and efficient, the Platinium Digital JH-351 sound amplifier is the ideal choice for everyday hearing support. A practical case is used for safe storage. For maximum convenience, there are 3 different sized sanitary tips and 2 tubes that can be easily changed as needed.

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Specifications can be changed without notice. Images are for illustrative purposes only.