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24 Jan, 2018
Clarity Telephone HA40 Handset Amplifier works as hoped for
1 of 1 found this helpful I am 83 and use hearing aids. But my phone was still hard to hear. This unit allows me to hear from my telephone handset at a volume level I can control very simply, by a sliding lever. I also have a tone control, for more treble or more bas. Works great!