Battery: Lithium Ion rechargeable. Battery is user replaceable. 1100 mA. 2200 mA extended battery available for purchase.

Performance: Intel XScale PXA270 624MHz processor. 64 MB built-in RAM ~ 50 megs available. 256 MB NOR Intel StrataFlash Flash ROM with195 available to store programs and data.

Size: 4.7 x 2.9 x .7 in. Weight: 6.2 oz.

Audio: Built in speaker, mic and 3.5mm standard stereo headphone jack. Can accept 3-ring 3.5mm stereo + mic headsets. Voice Recorder and Windows Media Player 10 Mobile included for your MP3 pleasure.

Networking: Integrated WiFi 802.11b and Bluetooth 1.2.

Software: Windows Mobile 5.0 operating system. Microsoft Mobile application suite including Mobile versions of Word, Excel, PowerPoint, Internet Explorer, and Outlook. Also, Terminal Services, MSN Messenger, Pocket Windows Media Player 10, and Voice Recorder as well as handwriting recognition. 3rd party and Dell software: Resco Picture Viewer, Dell Diagnostic Utility, WLAN (WiFi manager), Enigmo (game), Fathammer's Toy Golf (game), GeoRally (game), Funk Odyssey VPN Client, Data Backup. ActiveSync 4.0 and Outlook 2002 for PCs included.

Expansion: 1 SD (Secure Digital) with 4 bit data bus supporting SDIO and SDIO Now!. 1 CF type II slot that works with type I and type II CF cards. IR port.