PRICES MAY VARY. 2 in 1 120mm Fan ,2pcs fan can be connect to 1 USB port.Each cable is about 50cm/12.6 in long,2 in 1 USB are the same, which means you can put this two fans 150cm/59 in far away from each other. USB powered. it can run these right off the laptop without an external power source.No additional power supply required, no funky wiring, just plug it into the PS4 USB port and tuck the wires aside. The fan cooling systems to keep computers, home entertainment systems, and other electron