About this item Perfect Companion for Bed Entertainment - Sturdy mechanical aluminum arm stand is equipped with super strong spring to hold up more weight (MAXIMUM LOADING: 1500g)，To free your hands when watching compatible with iPad or compatible with iPhone in bed in winter Wide Compatibility -Universally compatible with devices between 4.7 inch and 11inch .This stand is perfect for mounting compatible with iPad Pro 10.7" or 9.7"/compatible with iPad Air,compatible with iPad Mini & All Tablet 7-11" size & All compatible with iPhone & N-Switch & Kindle Fire Adjustable & Versatile - The first tablet arm stand in world with 4 joints, which is fully adjustable and 360-degree rotatable. It can be used in vertical surface like headboard or used in horizontal surface like desk.Bend the arm and turn the holder to the most comfortable viewing position whether you are standing, sitting or lying in bed. Easy Installation - No tools needed, it can be widely sett to bed board,cabinet, table, bookcase, or any surface up to 52mm thick. Three Year Warranty - We provide high quality service，if you don't love it, you get a full refund. No questions asked.We provide three year warranty. The best gift for wife,friend,or colleague.