AFTER SALES SERVICE: HYmaster have always been working hard to provide customers with quality product and responsible after sales service. We will always do what we can to assist you and serve you to ensure you have good shopping experience when you order from our company. CUSTOMIZED ROTATABLE BASE: We design a rotatable base in this item. You could move your laptop to anyone around you when you use this stand to have a meeting with people around you. We design this feature to bring convenience and practical use for people who use laptop with others when they are having a meeting or other occasions. 3 HEIGHT ADJUSTABLE 20 ANGLE OPTIONS: OImaster laptops elevator of 9007 has 3 heights available for you: No stand, One stand and Two stand. 3 height options are displayed in listing image section. Your laptop could be elevated up to 10 inches when you use 2 stands. There are 20 angle options as showed in listing image section designed to ensure you would be able to select a proper angle for you. You could use this stand and select the right kind of height and angle according to your needs. ERGONOMIC AND PRACTICAL DESIGN: This laptops riser for desk elevate laptop by up to 10 inches to an excellent eye level and will make you feel comfortable since you do not need to hunch over your screen. Moreover, it will also reduce neck and shoulder pain for you. This item is designed with consideration of both your comfortable feeling and health factor. DESIGNED FOR LAPTOP TABLET 10 TO 17 INCHES AND PHONE: This OImaster laptop stand has a length and width of 12.2 inches and is specially designed for devices of laptop tablet with a size range of 10 to 17 inches. The phone stand extended could hold your phones with great convenience and decency.