Description

This Telephone Amplifier with its booster button and tone control is simple to connect and is compatible with 99% of modern plug-in telephones. The amplifier is light and portable with automatic detection of best frequencies and band making.  This telephone amplifier increases volume control up to 30dB and up to 40dB gain with the boost volume button and automatically switches on and off via voice detection, making it especially suitable for those who are hard of hearing.