NOKIA 6100 Estimated talk time: Up to 5 hours. Estimated standby time: Up to 10 days. Weight: 2.75 ounces High-resolution color display: 128 x 128 pixels, up to 4,096 colors Receive messages with image, sound and text. 8 different color schemes to personalize display elements such as headers, battery strength and network indicators. Downloadable ring tones and picture messages Java™ support for application downloads. Phone book with up to 300 contacts, with multiple numbers and text entries per contact Calendar with monthly view, To-do list with priority levels, Integrated speakerphone, Calculator, stopwatch and Alarm clock with snooze. Synchronize your phone book, calendar and to-do list with your PC using Nokia 6100 PC Suite. SAR Radio frequency emission rating: 0.88 W/kg