The Sony Ericsson K660i not only comes with a nice form factor, it also offers function with its form. The Device features a newly created Landscape web browsing mode that allows users to easily navigate throughout the mobile web. For instance, the device offers backlit shortcut keys that only light up when the user is surfing the web. Among those shortcut keys? A Pan and Zoom function, a single click homepage key, and more! The device also sports a Memory Stick Pro card slot for adding additional memory, as well as a 2.0 mega pixel camera and RDS Radio hardware. The Phone is Quad-Band (850,900,1800,1900) which means it will work with AT&T and T-Mobile in the United States and Rogers and Fido in Canada. The phone also sports HSDPA internet access for high speed internet access, and offers POP3 / IMAP4 / SMTP email support and Audio MP3 / AAC / AAC+ / eAAC+ / m4a / PlayNow / TrackID playback options, and Bluetooth 2.0 with A2DP for Stereo Bluetooth playback.