... function 3.self adhesive adhesive ring mobile phone holder for iphone,ipad SpecificationsReusable,Non-remaining trace,a new powerful ... one-handit is convenient to text input, or play games, or watching moviesit can use all the functions ... surface of the aluminum matt finishing .(such as IPHONE/IPAD/HTC MObile ,etc),3.please do fully ... ,as appropriate. adhesive ring mobile phone holder for iphone,ipad