Wireless keyboard and mouse provides next-level comfort and productivity. Oversized, cushioned palm rest and curved key frame give you enjoyable support for all-day typing. Adjustable tilt legs offer the perfect typing angle for increased comfort. Contoured design and soft rubber surface of the mouse allow it to fit comfortably in your palm. Fly through documents and web pages with hyper-fast scrolling, and type quietly and efficiently on a full-sized keyboard with carefully crafted concave keys. Multi-device technology lets you pair up to three devices and easily switch between them with the touch of a button. DuoLink allows your mouse buttons to have a different set of actions when you hold the Fn key. Logitech Flow enables cross-computer control and file sharing. Long battery life provides up to 36 months of use and your mouse can stay powered for 24 months. Connect wirelessly to your devices with the Unifying USB receiver or pair via Bluetooth low-energy technology.