Very discreet Extended frequency range Individual adjustment to the ear canal Ideal for restricted hearing ability Ergonomic fit behind the ear, barely visible Amplifies the volume of all sounds indoors and outdoors Low-noise rendering 3 attachments to individually adjust to the ear canal Frequency range: 100 to 6000 Hz Amplification: max. 40 dB Volume: max. 128 dB Medical device Product designation Hearing amplifier Number of attachments for adjustment to the ear canal 3 Batteries 2 x 1.4 V PR48 batteries Colour Nude Frequency range 100- 6000 Hz Incl. replacement battery yes Medical device yes Low-noise rendering yes Maximum volume 128 dB Amplification 40 dB Product dimensions 40 x 40 x 12 mm CE yes