WIDE COMPATIBILITY: SUIT FOR ANY LAPTOP 10" TO 17",such as MacBook 12 / 13,MacBook Air 13,MacBook Pro 13/15/2018/2017/2016, Lenovo ThinkPad, Dell Inspiron XPS, HP,Samsung,and other notebooks PC computers (10 inch,11 inch,12 inch,13 inch,13.3 inch,14 inch,15 inches,15.4 inch,15.6 inch 16inch,17inch etc). ERGONOMIC DESIGN: 2 kinds of adjustable heightsthe high angle increases by 8cm, so that you can straighten your spine when using the computer and relieve back pressure. Low angle increases by 5cm, long time typing farewell to sore wrists. Adjust the suitable ideal height to effectively relieve the stiffness and fatigue of the back and neck. SIMPLE AND CONVENIENT:Creative portable collapsible portable laptop stand, easy to fold and unfold - you can set the work area in a few seconds, or you can quickly put it back into the bag, easy to carry around, Does not take up any space. lighter weight, you will be more portable to carry your notebook. PORTABLE SLIP STAB