CLiPtec RZK261 USB Keyboard and Mouse Combo Set ??? OFIZ-COMBO is a practical combination of standard 104keys keyboard and optical mouse. It is bulit with USB plug ???N??? play interface and compact-slim design and also provides low profile keys with comfortable stroke for a great typing experience and extremely comfortable and contains a 19mm key pitch. It is a durable keyboard structure adjustable stand is installed at the bottom of the keyboard for user can adjust the angle of the keyboard to fit their requirements. The USB 1000dpi optical mouse is suitable for your daily computing tasks. Equipped with a newest optical precision optical sensor, offers 1000DPI optical sensing capability and 140cm length of cable, which is more than enough for your daily computing applications. The mouse interface is USB V.1.1 or V.2.0 meaning that there???s virtually no installation required ??? simply plug into any functional USB port and you are ready to ???mouse??? with it.