Dell Premier Multi-Device Wireless Keyboard and Mouse KM7321W, US International (QWERTY), Wireless, 2.4 GHz, Bluetooth 5.0, Buttons Qty: 7 (5 are programmable), Hot Keys Function: 12 programmable keys of F1-F12, Colour : Titan gray, Keyboard Technology: Scissors, Weight Keyboard (without batteries) :561 g, Weight Mouse: 84 g, Resolution (DPI): 1600, 3 years NBD Advance Exchange