1.Full-size Keyboard: All the keys you need, with a full-sized keyboard layout, number pad and 15 shortcut keys; smooth, curved keys make for a comfortable, familiar typing experience. 2.Ambidextrous Mouse: The compact, portable optical mouse is comfortable for both left- and rigt-handed users, and can be taken anywhere your work takes you. 3.Plug and Play: The included USB receiver provides a reliable wireless connection up to 33 ft away (3); no need for pairing or software installation to use this keyboard and optical mouse combo 4.Extended Battery: Get up to 3 years of battery life for the keyboard and 1 year for the mouse (1) with MK235, eliminating the hassle of charging cables and changing batteries Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.