UNIVERSAL COMPATIBILITY: Works with most of smartphones with screen size from 3.5 to 8 inch and e-readers. COMPACT / FOLDING and FLAT DESIGN - Perfect for home, bedroom, office use, or for traveling, just simply put it into pocket or to keep it in wallet, purse, backpack, bag, you can use it everywhere, coffee shop, dinner table, airplane tray tableect. Easy Storge and Carrage. APPLICABLE FOR HORIZONTAL AND VERTICAL USE - Great for watching YouTube / videos, displaying photos, Internet browsing, and reading on device with hands free. STRONG & DURABLE - Made from good quality plastic, the arms conjuncting at a swivel hinge, sturdy enough for frequent use. 8 PACKS FOR MULTI - OCCASIONS USE, you can share some of them with your family / friends, or you can put 2 of them in office, kitchen, pocket, bedroom respectively so that you can use anywhere