The CrystalTone Amplified Telephone not only increases the volume up to 35dB, it actually enhances the sound quality so that you can understand what is said, clearly and accurately. This premium amplified phone lets you customize the volume, tone, and frequency range that you hear best. Its revolutionary CrystalTone control eliminates background noise, letting you fine-tune the sound to your ideal hearing level. The extremely powerful ringer (up to 100dB) ensures that you never miss a call! One year warranty.
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