Choshichiro HA-7 1 piece

It is the size of a smartphone, making it easy to carry around, and its power-saving microphone allows for long-term use. This is a very lightweight hearing aid that you can take out of your pocket or bag and use right away. Model number: HA-7 Size (mm): 130 x 56 x 16 Reference frequency: 300 to 5000Hz Maximum acoustic gain: 40dB (reference value) Volume: 3 levels (large, medium, small) Power supply: 1 AAA battery (included for testing) Weight: 65g (including batteries)