Logitech Wireless Combo Keyboard & Mouse

DIMENSIONKeyboard:Height x Width x Depth: 20 52mm x 446 25mm x 182 96mm Keyboard Weight(With Battery): 571gKeyboard Weight(Without Battery): 556gMouse:Height x Width x Depth: 38 6mm x 59 8mm x 99 5mm Mouse Weight(With Battery): 73 4gMouse Weight(Without Battery): 50 4gDongle:Height x Width x Depth: 6mm x 14mm x 19mm Weight: 2gSYSTEM REQUIREMENTSWindows® 10 or later, Windows® 8, Windows® 7, Windows Vista®, Windows® XP Chrome OSTMUSB portInternet connection (for optional software download)