Assists people who have difficulty hearing callers on the telephone, the Telephone Amplifier increases and controls the caller's volume. Produces a loop signal suitable for who wish to use their hearing aid fixed to the 'T' setting. Easily attaches to the telephone handset by an elastic rubber strip that holds it in place over the reciever. Uses 1 x AAA battery (included).
Dimensions L50 x W50 x D25mm (2 x 2 x 1").
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