At just 17.2mm thin, the X800 is designed to fit your pocket and your lifestyle perfectly. The X800 is only 99g. The X800 has a slot for a miniSD card, which allows for expanded memory capacity. The document viewer based on Series 60 Platform lets you view and edit document files created by Microsoft Office (Excel, Word, PowerPoint). One Push Auto Open just hit the button, and your handset pops open in an instant. With the X800, you look cool and you stay cool.