Zalman\'s new cooling stand provides six different reclining angles for your laptop / netbook, and also provides quiet and safe cooling to the underside of the machine with a choice of two fan speeds. It offers an elegant and solid design and gives you maximum comfort while using your machine for long periods of time.The angle of adjustment can be varied from 22 to 43 and its rubber grip-strips prevent sliding. The NS1000F\'s fans are powered from a USB port on your machine, so there are no extra plug-in DC adapters needed. The cooling stand works best with machines having up to a maximum of 13.2\" screen size.- Elegant and solid design- Adjusts the display\'s height for comfortable viewings- Six angle settings from 22 to 43- Rubber Grip-Strips prevent notebooks from sliding- USB powered for convenienceSpecifications:-- Dimensions: 300 x 54 x 267 mm (W x H x D)- Material: aluminum, rubber, silicone- Colour: Black- Weight: 689 g- Fans: 19 - 25 dB (A), 1200/1600 r / min- Angle: 22 - 43 degrees