Features: 1.Ergonomic Design: The ergonomic design is comfortable to use and suitable for all day work, reducing fatigue and the hazard of injury. 2.Comfortable: The improved cushion and ergonomically tested palm rest are covered in premium fabric to provide all day comfort and promote a neutral wrist position. 3.Built In Shortcuts: Improve productivity with built in shortcuts including emoticons, search, easy access to media controls and more. 4.Wired Connection: Designed for durability and a wired connection for reliable speed and accuracy, plug and play, no drivers required and easy installation. 5.Split Keyboard: Split and tilt keyboard with 87 keys for comfortable and neutral wrist and forearm alignment. specification:Item Type: Ergonomic Keyboard Material: ABS Model: MC 390B Interface: Usb Connection: Wired Number Of Keys: 87 Keys PackageList:1 x Keyboard