From The Manufacturer:

The Dell Axim X3 features a sleek, comfortable, sophisticated design that packs in all the features needed for connectivity, productivity and entertainment.
The Axim X3 is one of the thinnest and lightest PDAs available with integrated Wi-Fi capability, meaning it's painless to carry and easy to stay connected. Whether you're on campus or at a coffee shop, if you're near a Wi-Fi hotspot, then you can check your email, browse the web, or update your activities schedule with your Axim X3.
Powered by Windows Mobile 2003 which includes Windows Media Player software, the Axim X3 easily becomes a multimedia device capable of delivering digital music and even digital video playback. The Windows Mobile 2003 Pictures application makes it simple to carry your favorite digital photos of friends and family with you wherever you go