Features:; Four fans dissipate heat, and the cooling effect is better. Large-diameter wind wheel, driven by twin-turbocharger, generates large air volume, provides smoother air supply, and dissipates heat faster.; 180° stepless adjustment to meet the needs of various angles. The angle and height can be adjusted freely, and the internal damping gasket has high toughness and friction resistance.; Silicone protection, does not hurt the machine. Multiple silicone pads on the contact surface, non-slip colleagues are more personal protection and prevent scratches.; Quiet motor, high speed, large air volume, faster heat dissipation.; Type-C input interface, two USB output interfaces, can charge mobile phones and tablets.; Tablet stand applies to 9-13 inch Tablet PC such as new iPad 2017 Pro 9.7 / 10.5, Air mini Surface Pro, Samsung Tablet. If you use a tablet larger than 12 and found its not stable to use, kindly set it horizontally, which helps maintain more stability.