DISCONTINUED W-1000 Single-line memory phone with unique high-frequency volume control. The Clarity telephone is the first telephone designed to help those with high-frequency hearing loss by making words clearer, not just louder. It features a built-in sound equalizer that selectively increases the volume of the high-frequency sounds. The Clarity telephone allows the user to customize telephone reception to their particular ear or hearing situation. To adjust the clarity of words while listening on the Clarity telephone, simply move up the Clarity Control Slide Bar until the words become crystal clear. Walker W-1000 Features: Certified Minimum Gain of 26dB Single Line telephone One-touch programmable Memory/Speed Dial Keys Tone/Pulse switch Visual Ringer Hold Hearing Aid Compatible Redial/Flash/Pause Raised dot on #5 key Boost button Emergency Help button Mute Automatic amplifier pre-set/reset resets to non-amplified mode after hanging up, returns to pre-set amplified level when Boost button is pushed Ringer Pitch Control Ringer Volume Control Desk or Wall Mount 3.5mm jack for monaural output for assistive listening devices such as telecoil couplers Line powered (no batteries or power supply needed.) W-1000 Product Literature