Reinforced protective net prevents damage from foreign objects, ensuring long-lasting performance. 5V USB power supply interface compatible with various devices for convenient use. Single fan design with 1800 rpm provides powerful and quiet cooling. Rubber shock-absorbing feet reduce resonance and ensure stable installation. Versatile cooling solution suitable for notebooks, broadband set-top boxes, routers, and more. Item Name: Cooling Fan Material: ABS Voltage: 5V Current: 0.2A Speed: 1800 RPM Air volume: 56CFM Bearing: Oil Bearing Features: Heat Dissipation, Mute, Mini Size Details: L: 12cm/4.72", W: 12cm/4.72", H: 5cm/1.97" (Approx.) Cable Length: 80cm/31.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Cooling Fan