Dell Premier Collaboration KM900 Keyboard & Mouse - QWERTY - English (US) - USB Type A Scissors Wireless Bluetooth/RF 5.1 2.40 GHz Keyboard - Keyboard/Keypad Color: Graphite - USB Type A Wireless Bluetooth/RF Mouse - 8000 dpi - Tilt Wheel - Pointing Device Color: Graphite - Programmable Hot Key(s) - Compatible with PC, Mac