Clarity XLC3.1HS Amplified Cordless Handset (59231) Amplifies incoming sound up to 50+dB & outgoing speech up to 15 dB for others to hear better DECT 6.0 technology for interference-free communication Includes 4 tone settings for a customized listening experience & 95dB extra-loud ringer with adjustable tones Loud & clear speakerphone for hands-free conversations High contrast Caller ID screen with large font & Talking Caller ID