The Lenovo Professional Wireless Keyboard offers a full-size keyboard design with a dedicated numeric keypad. The slim modern design has responsive keys and offers a premium typing experience. One-touch dedicated media keys put the controls you use most at your fingertips. Connects easily with compatible devices using a wireless nano USB receiver. 2.4 GHz wireless nano USB connection; Full-size 3 zone keyboard layout with dedicated numeric keypad; One-touch dedicated media controls; Adjustable tilt leg and spill resistant keyboard design; Supports Multiple Pairing Protocol for USB dongle replacement