Award-Winning Keyboard Further Enhanced for Windows 8 Full-sized and spill-resistant, the legendary ThinkPad ergonomic keyboard is renowned for its full array of keys, excellent feel, and TrackPoint® pointing device. And now it's optimized for Windows 8 with convenient multimedia buttons, function-lock capability, and immediate access to view apps. Plus, a larger, smooth TrackPad with 5-point click integration can be configured multiple ways through Settings. E531 includes numeric keypad. Up to 6 Hours of Battery Life Nearly all-day computing unplugged lets you get a full day of work in on a single charge. Superior Web Conferencing / Voice-Over IP (VOIP)-Optimized Low-light sensitive 720p HD webcam with wide-angle viewing and face-tracking, dual noise cancelling microphones with configurations for crystal-clear private and conference mode VOIP meetings. Plus, convenient multimedia keys provide quick and easy access to microphone, speaker, and camera controls. Lenovo Solutions for Small Business Built on the Intel® Small Business Advantage platform and includes unique security and productivity features to keep your small-to-mid-sized business up and running: after-hours maintenance, software monitoring, USB blocker, energy savings, and the ability to backup and restore applications. Integrated Fingerprint Reader Get quick, convenient access and secure login with one swipe. Dolby® Advanced Audio™ v2 This suite of audio technologies enables your ThinkPad to deliver a crisp, clear surround sound experience over its built-in stereo speakers. The technology increases audio clarity for VOIP applications, maximizes volume output without distortion, and improves dialogue clarity when watching videos. Lenovo Cloud Storage Protect your critical data, while also making access to information and file-sharing quick and convenient. Automatically back-up and synchronize data across the organization, while enabling access from multiple devices. Data is encrypted on transfer for an extra level of security. New Lenovo OneLink Technology Get more from your power cable! OneLink technology is a unique interface that simplifies connectivity through a single cable to the ThinkPad OneLink Dock. The OneLink dock provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audio — all while charging your notebook. ThinkPad Edge E531 is one of the first laptops to debut this innovative technology.