Lenovo OneLink TechnologyGet 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.Keyboard Enhanced for Windows 8.1Full-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 8.1 with convenient multimedia buttons, function-lock capability, and immediate access to view apps. Plus, a larger TrackPad with buttons, which can be configured multiple ways through Settings.Long Battery LifeNearly all-day computing with up to 8 hours unplugged lets you get a full day of work in on a single charge.Fast Data TransferMove data quickly between the E450 and other devices with SuperSpeed USB 3.0, which enables up to 10 times faster file transfer, allowing for lightning-fast copying of large media files, as well as seamless connections between audio- and video-related peripherals.Integrated 720p HD Webcam & Dual Noise-Cancelling MicrophonesEnjoy superior web conferencing on your E450, which includes a 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 for quick and easy access to microphone, speaker, and camera controls.Dolby Speakers With Advanced AudioThis 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 StorageProtect 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.