1. Four fans dissipate heat, and the cooling effect is better. -diameter wind wheel, by twin-turbocharger, generates air volume, provides smoother , and dissipates heat faster. 2.180 stepless adjustment to meet the needs of angles. The angle and height can be adjusted freely, and the internal damping gasket has high toughness and friction resistance. 3.Silicone protection, does not hurt the machine. Multiple silicone pads on the contact surface, non- colleagues are more personal protection and prevent scratches. 4.Quiet motor, high speed, air volume, faster heat dissipation. 5.Type-C input interface, two USB output interfaces, can charge mobile phones and tablets. NOTE : It can only used for Tablet PC , can't use for computer. Name: Folding stand cooler for , Tablet PC(can't use for computer) Interface type: TYPE-C interface Input voltage: 5V Input current: 1A Max Power: 5W Number of fan blades: 7 pieces Number of fans: a total of 4 (2 6015+2 4010) fans Speed: 5500 rpm Compatible: All types of tablet Colour:silver Material:ABS+ aluminum silica gel Size:260 x 212 x 42mm Package Contents: 1 x Tablet Cooler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Have a great time shopping!