Viozon Retractable Universal Gooseneck Mobile & Tablet Desktop Clamp Holder (Black) ,suitable for iPhone, iPad Mini, Kindle Applicable to 3.5~5.5inch mobile phone and 7 inch tablets like iPhone, Mini iPad, Kindle The gooseneck arm design could make screen rotate 360 degree, and could be adjusted on side angle which bring more convenience and comfort during use. Two holder grips:5.5inch holder grip for 3.5~5.5inch smart phone( clamp capacity:55~82mm); 7inch holder grip for 7" tablet (clamp capacity:88~136mm. Unique inverted triangle locking design and silicon protection to prevent your facility from slipping. Aluminum inner core design in the gooseneck arm make the holder very stable. Spiral design clamp base is very easy to assemble with the max. clamp capacity of 55CM