Windows Mobile 5.0 operating system with office software and MSN. It has a 3.0 inch LCD screen, supports MP3/WAV/WMA music and 3GP/MP4/AVI video playback, 64MB ROM with support for up to 2GB microSD card, Bluetooth, GPRS, MMS, and 100,000 phonebook entries. Additional features include an alarm clock, games, voice recorder, WAP browser, calculator and more. The phone has a 200MHz CPU and 128MB flash memory with 64MB RAM.