COMPATIBILITYStand perfectly supports tablets or ipad or phone (4-14 inches), Such as 12.9-inch 10.5-inch iPad Pro, 9.7-inch iPad,iPad mini 1-4, iPad Air, Samsung Galaxy Tab, Amazon Kindle Fire HD, etc. ADJUSTABLEUse the Allen Wrench under the tablet stand to adjust the degree of tightness. Once you set up a degree of tightness, It would be as sturdy as you want. And the angles are adjustable. Supporting both vertical and horizontal viewing. STURDY CONSTRUCTION Made of spaceflight Al-Ti alloy and super high strengthened alloy steel material, higher strength, lighter weight. Please NoteThe clamp is made of plastic, the rest of them are aluminum. SMART LIFESTYLE Perfect for playing game, watching videos, viewing photos, reading, typing, video recording,working ETC. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.