Features: Designed with RGB light, dual USB2.0, easy installation. 9 blades cooling fan, high speed, rapid heat dissipation. Hydraulic bearing, noise reduction and wear resistance, durable in use. 3 speed adjustable, meet your different need, come with double hook, can be used to store your game controller and headset. Intelligent temperature control, the cooling fan will turn on when temperature above 40 automatically, auto off when under 40. Specifications: Material: ABS Size: 151x151x19.2mm/5.94x5.94x0.76in Rated-Voltage: DC5V USB Output Current: 500x2mA Speed: 1500RPM(LOW), 1750RPM(Middle), 2000RPM(High) Applicable Models: for Seris X Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Cooler Fan 2x Hook 1x Manual