e-joy Oscillating Table Fan 2-Speed Desk Fan Air Circulator Fan USB Powered, Desktop Fans Tilt adjustable head allows you to direct airflow where you want it Oscillation for wide area coverage to 180 degree 2 speed settings. 3 piano type key to control spped1-off-speed2 New type of dc brushless motor, super silent, there is almost no noise when its working Usb powered and lightweight for easy portability