Features: Standard type and new extension-type are both universal type which can applicable for phone and ipad to use. High-end white and black color spray lacquer are optional, simple and wear-resistant. Superior aluminum alloy material, high hardness, strong bearing capacity, not easy to deform. 45 degree angle free adjust, appropriate height help you studying for a long time and won\'t get tiring. Large area base, strong balance, prevent shaking, not easy to collapse. Hexagon telescopic rod design, double stable, one second storage, wear resistance. Individual space is reserved for charge ports so that you can use your phone while charge.