The VAIO TX is a "must have" for road warriors who want to make an impression while getting the job done. The TX770 notebook exudes confidence. Powerful and refined, the VAIO TX770P/B Notebook is ultra portable at 2.76 lbs with standard battery and long lasting with up to 7.5 hours of standard battery life. The TX770P/B also offers a DVD+R Double Layer/DVD±RW drive, a 11.1" widescreen display, and integrated 802.11 b/g wireless LAN and wireless Wide Area Network (WAN) technologies. With wireless WAN, you can access the Cingular Wireless national EDGE network to extend your wireless coverage beyond LAN access networks and hotspots, giving you the freedom to go farther, do more, and stay connected. And, with Sony's original SmartWi technology which seamlessly integrates wireless WAN, wireless LAN, and Bluetooth technologies, you can quickly and easily toggle among these advanced wireless connectivity options.