This is a low-power via bluetooth 4.0 realize communication app applications. Mobile phone screen has to send data button with the text box, and receiving data display box. Click on the button remote control after interface will send corresponding instructions, communication protocol for & ^ ^ & frame data, the receiver to deal with data, to perform the corresponding operation. (bluetooth debugging and wireless toy experiment is a good helper)Demo video connectionhttp://v.youku.com/v_show/id_XMTQxNDcwNDc4MA==.html?firsttime=0&from=y1.4-2