Hold your smartphone without your hand.Even can be used for cellphone or tablet or E-book Unique flex lazy tube unit control your device move forward,backward,left,right,up and down as your like Support Device: 4.5-10inches all smartphone and tablet pc http://bit.ly/2zShVnF Hold your smartphone without your hand.Even can be used for cellphone or tablet or E-book Unique flex lazy tube unit control your device move forward,backward,left,right,up and down as your like Support Device: 4.5-10inches all smartphone and tablet pc http://bit.ly/2zShVnF