Like it， buy at once !Package include: 1 x keyboard 1 x mouse 1 x retail boxType:WiredInterface Type:USBWaterproof: YesMaterial: ABSKeys Life: 8，000，000 TimesProduct featuresWithout having to install any software， installed on the computer can be free to enjoyResponsive keys， compact， quiet design， and feel goodAnti-static， anti-electromagnetic interference and waterproof