... chocolate keys 2.support multi-language 3.with usb receiver 4.good quality wireless keyboard and mouse combos Model No. carton ... electricity,waterproof,dust prevention and portable.Functional characteristics:wireless keyboard and mouse,with usb receiver,ergonomics design,simple fashion ultra-slim ... match:Black/whiteCertificates:FCC,CE,ROHS FACTORY VIEW 2.4G usb wireless keyboard and mouse combos