... 4.High Quality 5.Cheapest Price Wireless keyboard mouse,virtual laser keyboard,silicon keyboard 1.QWERTY ... usb port, Uninterrupted use for 10 hours,Standby time with 1 year.4.Humanized Button ... OFN cursor positioning,OFN OK Key,thum page function(customized)9.Personalized Keys Multimedia audio ... button (similar with the Fn button of notebook)10.Buttons backlighting Design With unique Buttons backlighting ...