Stylish, Svelte Design. Premium Features. The S531 shell combines aluminum & magnesium alloy for both durability & lightness. A single unified hinge adds strength, while also enabling 180-degree opening so the Ultrabook lies flat or rests at any angle. Unique attention to detail like indented sides for carrying add convenience & style. Black ports & a sandblast finish top off the design embellishments on the S531, which is available in both Silver & Gunmetal. New Lenovo One Link Technology Get more from your power cable! One Link technology is a unique interface that simplifies connectivity through a single cable to the Think Pad One Link Dock, which provides dedicated video, USB (Universal Serial Bus) 3.0 ports, Gigabit Ethernet, & audio?all while charging your notebook. Award-Winning Backlit Keyboard Further Enhanced for Windows 8 Full-sized & spill-resistant, the legendary Think Pad ergonomic keyboard is renowned for its full array of keys, excellent feel, & Track Point pointing device. & now it's optimized for Windows 8 with convenient multimedia buttons, LED status indicators, function-lock capability, & immediate access to view apps. Plus, a larger, smooth Track Pad with 5-point click integration can be configured multiple ways through Settings. The backlight option makes working in dark environments effortless. Superior Web Conferencing / Voice-Over IP (VOIP)-Optimized A low-light sensitive 720p HD webcam with wide-angle viewing & face-tracking, along with dual noise cancelling microphones deliver crystal-clear private & conference mode VOIP meetings. Plus, convenient multimedia keys provide quick & easy access to microphone, speaker, & camera controls. Integrated Fingerprint Reader Available Get quick, convenient access & secure login with one swipe. Dolby Home Theater & JBL Built-In Speakers Enjoy a crisp, clear surround sound experience with the latest in audio technology?increased audio clarity for VOIP applications, maximized volume output without distortion, & enhanced dialogue clarity when watching videos. Lenovo Cloud Storage Protect your critical data, while also making access to information & file-sharing quick & convenient. Automatically back-up & synchronize data across the organization, while enabling access from multiple devices. Data is encrypted on transfer for an extra level of security.