If modern mobile phones get you in a muddle you need this basic big number version easy to use it has all the essential fucntions such as an extra loud ringer and vibration for incoming call alert a large colour lcd display with a legible font size plus an sos emergency button that dials up to three pre set numbers when activatedextra loud vibrating incoming call alertadjustable extra loud speaker volumeemergency sos buttonphonebook with up to 300 namenumber entriescalendar and alarm