The new Palm-Powered PEG-T665C handheld features a high-resolution color screen for superb picture quality and a built-in MP3 audio player* for your personal entertainment. Super-slim aluminum body is durable and elegant. The Memory Stick media expansion slot provides virtually unlimited storage space for all your favorite applications and data. The unique Jog Dial navigator provides easy access to most of your stored information. Plus, remotely control your audio and video produts using the AV remote control software!1 Very unique. Very Sony.