ADJUSTABLE ANGLES: Adjustable height for increased airflow and comfortable viewing, reading, drawing and typing. COMPATIBLE DEVICE: Fits for up to 11-13.8/14-17.3 inch Laptops/Notebook computers and tablet, suit for MacBook, iMac,iPad,Microsoft Surface Pro, Galaxy Tab, Notebook, ThinkPad, Lenovo, Dell, Hp and more. FOLDABLE&PORTABLE DESIGN: Instant apply and fold. Easy to store, and takes up very little space; Convenient to carry, you can put it in backpack or bag.Ideal for home use, office, outdoors, traveling, schools, hotels and more. Take it with you everywhere as it is foldable and lightweight. Exquisite Design: CNC-machined from anodized aluminum alloy, with sand blasted and brushed processes.