No need to replace your existing telephone Powered by AC adapter or 9-volt battery (both included) Separate volume and Tone controls with slider movement for easy adjustment Go with Ultra Clear cordless compatibility. The wil95 portable telephone Amplifier is designed for use with most corded home or office telephones with the dial pad located on the telephone base. Simply connect the wil95 to your existing corded telephone and your conversations become louder and clearer. The wil95 will automatically switch on every time you lift the handset and switch off when you replace the handset back to the base.
The device, when properly connected per instructions, not only did not enhance sound on incoming calls but reduced the volume for the party calling in! Disappointing but it simply did more harm than good.
I bought this for my 88-year-old father, took it to his house and had it hooked up to a land line phone and working within minutes, using the very simple instructions. Lately I have to shout for my father to hear me even with his hearing aids on. After I connected the amplifier, I went upstairs and called him from my cell phone. We were able to talk quite easily in normal tones with him hearing every word I said. I walked back into the room where he was on his amplified pho..