Zalman Ultra Quiet Notebook Cooler with 200mm Fan up to 12"-17" (NC3) Powerful yet silent 200mm Zalman Fan allowing optimal cooling performance. No Mess! USB and cables can be organized through the provided holes. Optimized vent hole enables quiet yet strong cooling performance Compatible Notebook: 12 to 17 inch / Dimensions: 308(L)x380(W)x42(H) mm / Weight: 0.9kg / Material: Steel and Plastic Input Voltage: 5V (Connects with Notebook USB Port) / USB Ports: 1EA / Fan Size: 200mm / Bearing Type: Sleeve Bearing / RPM: 575 rpm / Noise: 20dBA