DESCRIPTION This wired keyboard has resistant composite material that is waterproof for high performance and long-term use. It includes a mouse that has ergonomic with full-size provides comfortable support for up to even after long hours of work. The mouse has high resolution 1000dpi optical sensor for precision and precise movement. SPECIFICATION Number of keys: 140 keys   Wired keyboard Current Voltage: DC5v/<100MA Keyboard Weight: 320.7g Keyboard Size: 455x177, 1x25mm Mouse Buttons: 3 Mouse current and voltage: DC5v/<100MA Mouse Size: 111.6x60x37.5mm Compatibility: Compatible to Windows XP up to Window  

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