Sony CLIE PEG-T615C/S Handheld (Silver) Slim design--only .50 inches thick--with 16 MB of RAM and 4 MB of flash ROM Bright, high-resolution TFT color display Jog Dial navigator allows you to access phone numbers, notes, and more while keeping your other hand free Synchronize with your PC using included HotSync cradle; compatible with Windows PCs Expandable via optional Memory Stick cards