Axon Digital Hearing Aid K86
- set the handset up to a volume of 110 dB,
- amplify ambient sounds by up to 30 dB,
- frequency range is 300-3500 Hz,
- has 5 volume levels
Rionet Hearing Aid Ter System
- Total Harmonic Distortion:16OOHz-2%/800Hz3.5%/5OOHz-8.5%
- Brand: Rionet
- Operating Switch: 0-1
- Tone Control: N, Hl, H2
- Supply Voltage: AAA Battery 1.5 Volt
- Damnation: 6.7 X 4.2X2.1cm
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Origin: Japan