10 Spectrum RGB Lighting Mode 5 Fans - Single 14cm large fan with 4 60mm small fans for large air volume and good heat dissipation 5 Steps Height Adjustment Fan control / adjustmet Dual USB HUB, does not occupy the USB port Ultra-quiet design that won't bother your work or study Made of environmentally friendly materials, stable performance and long service life Compatible with high-end and majority of notebooks Protects your notebook against overheating and increases the lifespan of your laptop/notebook TECHNICAL SPECIFICATIONS: Main Fan Size: 140mm x 1px Small Fan Size: 60mm x 4pcs Main Fan Speed: 1400 +/- 10% RPM Small Fan Speed: 2500 +/- 10% RPM Rated Current: DC 5V Rated Voltage: 1.25A Rated Power: 6.3W Material: ABS Plastic Dimension: 400 x 280 x 50mm