Compatible with computers, PC, laptops, notebook, portable chargers and other USB devices with usb output. Now you can look and feel cool at the office with this USB plug-in fan, with an approximate size of 5 3/4" W x 6" H, this fan has a 180 degree pitch angle. it can be easily adjusted upwards or downwards. Compact yet powerful personal fan is perfect for the office, home, dorm, study, library, game room. The sturdy metal fan produces a soft breeze to keep you cool and relaxed.