Clarity 51341 W425 Pro Amp Cordless Phone * Amplifies incoming sound up to 45 decibels with easy to use volume and tone control * Speech enhancing technology specifically caters sound to those with hearing loss * Adjustable tone control lets you customize the sound to suit your hearing * Extra large backlit keys with high contrast numbers * 13 speed dial buttons * Direct connection to assistive listening devices or headset (2.5mm) * Long range 900MHz transmission frequency reduces interference and is Wi-Fi friendly * Adjustable extra loud ringer (95dB) * Super bright visual ringer * 3 tone settings * Detachable belt clip for ease of mobility around the house * Eco-friendly and energy efficient operation * Hearing Aid Compatible and TIA-1083 Compliant * Includes AC adapter