This application software is a Bluetooth 4.0 technology to control LED controller and Bluetooth bulb,to achieve light color, color temperature,single color,music rhythm control lamp. Set different lights model according to you. preferences and create a different life experience for you own living environment. Note: Bluetooth 4.0, iOS 8 version and above Steps: 1:Install APP; 2:Turn on Bluetooth; 3:Open the application click on Scan; 4: Group control. Use tutorial videos: http://v.youku.com/v_show/id_XMjYyODM3NTYxMg==.html