The XL30 amplified corded phone, by Clarity, features Clarity Power technology to make words not only louder, but also clearer and easier to understand. With up to 30 decibels of amplification, the XL30 is an ideal solution for those with a mild-to-moderate hearing loss or low vision. Clarity Power technology Amplifies incoming sounds up to 30 decibels Adjustable incoming volume and tone control Bright visual ring indicator and loud ringer volume Large, high-contrast dial pad Hearing Aid Compatible