Landline Phone, Big Button Phone For Seniors, Telephone Can One-Touch, Office ? ?ONE-TOUCH DIALING?: One-touch dialing for sos one-touch dialing for alarms one-touch dialing for emergencies avoids cumbersome button dialing flexible volume adjustment flexible volume adjustment switching handheld volume medium-high-high switching adjusts your volume according to different environments ? ?SUITABLE FOR A WIDE RANGE OF PEOPLE?: Extra-large buttons are friendly to the office and the elderly will not press the wrong number 1.06 inches x 1.18 inches large buttons, the writing is clear and not easy to fade humanized design, press faster and more accurate ? ?HIGH-QUALITY MATERIALS?: Our landline phones are made of high-quality ABS material for durability and long service life. The landline phone is plug and play, no batteries required, and suitable for a variety of occasions. Provides a better feel, more durable and drop resistant ? ?HD HANDS-FREE FUNCTION?: HD audio quality hands-free calling allows you to maintain high quality calls while entertaining yourself. It's easy to hear everything the other person is saying without having to hold the phone to your ear ? ?EASY WALL USE?: Our landline phones hang easily on the walls of your home or office, and the phone handles don't fall off easily, so you can continue to move around and answer calls when you need to ? ?RELIABLE COMMUNICATION?:With no batteries required and the ability to stay connected even during power outages, reliable landline phones are designed to keep you communicating when you need it most