? Sturdy & Stable Design Made of premium aluminum alloy metal which is durable and more stable with dual arms design? 360° Rotating Design Metal rotatable base supports free conversion of the screen direction. If you often need to share the screen this is a good choice? Multi-angle Adjustment Easily adjust to any angle you want suitable for multiple scenes? Portable & Space-saving Foldable design for easy carrying and storage? Widely Compatible This tablet stand for desk can fit for 4 to 13 inch tablet cell phone and E-reader with Max thickness of 0.53 (including its case)