... ,2003,X64,IBM1>Notebook type keycap.2> X-structure design, comfortable hand feeling. 3> Fashionable shape, built-in anti-radiation steel ... , such as audio and so on,the functions are strong.Mouse features: Dimension114x69x39mmNet Weight123GDPI1200-1500 DPIKeystroke service life10 MillionColorAvailable in various ... ,98,2000,ME,XPWorking temperature0-45°CReceiverUSB 2.0 2012 Wired keyboard & mouse combo