The Doro HandleEasy 326i GSM Cell Phone is a large button cell phone designed for use by seniors and individuals with low vision or fine motor disabilities. This phone works with major US GSM carriers like AT&T and T-Mobile (not Verizon or Sprint) and offers calling only. Features include large backlit concave buttons, a display with large characters and high contrast, a vibrating ringer, and a soft touch grip. It also has 15-number redial with caller ID, four one-touch speed dials, seven ringer volume settings and nine polyohonic ringtones, 20-number phonebook, and keylock. This phone is also equipped with a speakerphone and a clock. POWER: Uses a rechargeable lithium-ion battery for 2.3 hours of talk time and 200 hours of stand-by time. A charger is included and an optional car charger is available. OPTIONS: Carrying case and an ear hook headset. DIMENSIONS: The display is 0.9 x 1.4 inches. The phone is 5.3 x 2.3 x 0.6 inches. WEIGHT: 3.9 ounces.