deltaco gaming laptop cooler, 1000-1300 rpm, 5x140mm fans, 2xusb-a, 2xsupport positions, black / orange laptop cooler from deltaco gaming to your gaming laptop of up to 17.3u0022. it is powered by a usb power cable, on the top there are two knobs, the one on the left controls the two lower fans while on the right it controls the top three. in addition to fan speed you can choose how much this cooler will cool down according to your own needs. overall, there are also two usb-a ports, the first usb port can only power the cooler while the other port can power but also supports usb passthrough which enables you to connect a mouse to use on your laptop.the cooler also has two different support modes for you to find the optimal angle for your wrists.