Little anti-shock pad, High effect: The combination of noise reduction technology and sound-absorbing sponge brings the quiet user experience. There are a few types to choose, the design is inspired by aviation The eleven blades generate more air volume and lower wind resistance when working. Not only the cool appearance, also quality on the insideFan Dimensions: 120*120*25mm Rated Voltage: 12V Fan Speed: 1100±10%RPM Current: ?0.30A Bearing: Hydraulic Bearing Fan Connector: 2510-3pin+Molex 4pin Lead Wire Lenth: 400mm Remote Control Need: NO