HA 50 NMP - Sound amplifier

<ul> <li>Ideal for the hearing impaired</li> <li><strong>Ergonomic earloop</strong> - <strong>virtually invisible</strong> and imperceptible</li> <li>< strong>Amplifies the volume of all sounds both indoors and outdoors</strong></li> <li><strong>Stepless adjustable volume</strong></li> <li><strong >3 tips</strong> to adapt to each ear canal</li> <li>Low noise</li> <li>Battery and spare battery included</li> <li>Amplification: 40 dB max.</li> <li>Treble volume: 128 dB max.</li> <li>Frequency range: 100 - 6,000 Hz</li> <li>2 LR754 button batteries included</li> </ul>