Features:100% brand new and high qualityABS material blade, hydraulic bearing, long and durable, high air volume, quiet and efficient cooling.Color addressable RGB which achieves full color customization. Silent Cooling Technology - A blend of noise reduction technology and sound-absorbing rubber pads for peace and quiet, even when your pc is working in the weather outside.Hybrid design - A combination of jet engine and helicopter blade designs delivers the quiet static air you need without sacrificing airflow.Multicolored aperture design, soft light effect, cool personality.Smart fan sensor for jam protection-never worry about your cables being closed or components being disassembled again. Package Includes:1PC x Fan Specifications:Material: ABSProduct size: approx. 20x20x2.5mm/7.87x7.87x0.98inRated speed: 400~1000RPM 10%Rated voltage: 12V DCCurrent: 0.22AMaximum air volume: 95CFMNoise: 20db (a)Connector: 4Pin PWM+5V ARGBBearing type: hydraulic bearing note:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you