... system,press the MCE button, you can immediately open the media center. 4.6 Optical Finger Navigation(OFN)When the thumb touch ... products compatible with Microsoft Windows system,can be used for desktop machines, all-in-one PC, smart TV, notebook, etc. ... is compatible Android, Apple and other systems for smart phones, computers,car PC, tablet, etc. Portable Eboard Smart-handheld Wireless Keyboard ...