Surface-optimized fan blade design: 11 fan blades provide optimized airflow through surface optimization and structural design to achieve superior cooling capacity.120mm case fan provides excellent airflow with LED makes your case gorgeous.Light guide ring Design High-quality LED Chip, Anti-aging, Durable And Stable Brightness, Long Life.Perfect cooling performance,silent operation as an excellent choice for case cooling.Enhanced Fan Frame: Enhanced frame structure, reducing turbulent flow noise increase efficiency.Item number:120Applicable accessories type: chassisApplicable brands and models: GeneralType: cooling fanBearing type: hydraulic bearingRotational speed:1000Noise:23Service life: 30,000 hoursHeat dissipation mode: air coolingNumber of heat pipes:4PUSB interface:4PSize:12cmApplication object: chassiscolour:PinkMaterial:PCPackage Contents:3 x cooling fansOnly the above package content, other products are not included.Note: Light shooting 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.