HA 20 NMP - Sound amplifier

<ul> <li>Ideal for the hearing impaired</li> <li><strong>Ergonomic behind-the-ear</strong></li> <li><strong>Amplifies the volume of all sounds both in indoors and outdoors</strong></li> <li><strong>Adjustable sound volume</strong> continuously</li> <li><strong>3 tips</strong> to adapt to the ear canal</li> <li>Battery and spare battery included</li> <li>Amplification: 40 dB max.</li> <li>Treble volume: 128 dB max.</li> <li>Frequency range: 200 - 5000 Hz</li> <li>2 LR754 button cells included</li> </ul>