Dell Pro 5 KM526 Keyboard & Mouse - English (US) - USB Type A Plunger Wireless RF 2.40 GHz Keyboard - Keyboard/Keypad Color: Black - USB Type A Wireless RF Mouse - Optical - 6000 dpi - 3 Button - Scroll Wheel - Pointing Device Color: Black - Print, Pause Hot Key(s) - Symmetrical - AA, AAA - Compatible with PC, Mac