Description Deepcool U Pal Laptop Cooler Features – Ultra speed USB 3.0 pass-through connector for the fastest transfer speed; – Unique U shape design provide the most fluent cold airflow to your laptop – Angle adjustable to protect your spine for your health; – Two 140mm fans covers equal areas to eight 70mm fans. Technical Spec: – Overall Dimension: 390 x 280 x 27.5mm – Fan Dimension: 140 x 140 x 15mm – Net Weight: 765g – Bearing Type: Hydro Bearing – Rated Voltage: 5VDC – Operating Voltage: 4.5 5VDC – Started Voltage: 4VDC – Rated Current: 0.30 plus,minus 10 percent A – Power Input: 1.5W – Fan Speed: 1000 plus,minus 10 percent RPM – Max. Air Flow: 92.22CFM – Noise: 26.3dB(A)