Samsung SGH-A877 Impression 3G GSM Cell Phone Black AT&T Touch screen provides quick response to a variety of in-phone menus and options. User friendly, menu driven access to features and options Ready access to the Internet, Built-in Bluetooth technology AT&T GPS Navigation functionality provides real-time navigation microSD card compatibility for use in data storage and access My Stuff feature provides Files, Games, Organizer, Alarm, Calendar, Tasks, Calculator, World Clock, Unit Converter, Timer, and Stopwatch.