Memory and convenience: 7 one-touch direct-dial buttons (total) Easy to See: Extra-large buttons with high contrast Displays and alerts: Hands-free speakerphone Easy to Hear: Boost button with +40dB handset amplification Hearing Aid Compatible: superior sound without disturbance Easy to HearThe emporia AMPLi40 is an ideal telephone for anybody suffering with hearing difficulties. The receiver volume can be increased up to 40dB through a boost button and variable volume control. This will help improve the quality of telephone conversations. With a loud ringer volume (up to 85dB) and large visual ring indicator light, anyone with reduced hearing will be alerted when the phone rings. The receiver is also HAC - Hearing Aid Compatible.Easy to seeWith extra-large buttons and high contrast, the AMPLi40 is also ideal for those with visual impairments, making the numbers easier to read and the keys easier to see. This larger size is also suitable for anybody with reduced dexterity as they are e