Convenient Lighting 6 built-in high brightness LEDs. With the all-new purple/blue/orange lighting combination, you won't need complicated control settings. Simply plug in the power on and enjoy the mesmerizing visual experience. PWM ControlPWM smart adjustment allows precise speed control. Equipped with shock pads, the fan undergoes an optimal operation, effectively reducing noise generation. Powerful Performance Optimized 9 fan blades design, balancing airflow and wind pressure, providing strong cooling performance. Long-lasting BearingAdopts hydraulic self-oiling bearing, long-lasting and low-noise. Convenient Installation Standard screw sizes, fuss-free convenient installation. 4-pin ConnectorAdopts mainstream 4-pin power interface offers continuous and effective output.