HP CS500 Wireless Keyboard & Mouse Combo, 2.4 GHz Wireless Connectivity, 104 Keys Membrane Keyboard, Low-Profile Quiet Keys, Standard Anti-Ghosting, Adjustable Mouse 2000 DPI with 3 Buttons, White, 1 Year Warranty

Connectivity: Wireless - 2.4 GHz Switch Type: Membrane Number of Keys: 104 Keys Keyboard Layout: English Keyboard Anti-Ghosting: Standard Keys Support Low-Profile Quiet Keys Mouse Sensor: Adjustable (1000 / 1600 / 2000 DPI) Mouse Buttons: 3 (Left, Right, Scroll Wheel) Battery Type (Keyboard): 2 x AAA Batteries Battery Type (Mouse): 1 x AA Battery Color: White 1 Year Warranty