... 4S or Ipad 1.Technology 2.4G / Bluetooth wireless technology transmission 2.Features:3.Product Specifications : 3.1 ... the keyboard , can use for the latest WIN7 system,press the MCE button, you can immediately open the ... 5 2.4G version products compatible with Microsoft Windows system,can be used for desktop machines, all-in ... ,car PC, tablet, etc. Portable Eboard Smart-handheld Wireless Keyboard