NAMEO Mini Personal 360&deg; Rotatable USB Desk Fan, Powered by USB with 1.2m USB Cord, Metal Design+Quiet Operation+Handheld Size+Power Saving (Black) Perfect USB Fan for the Office, Home, Dorm, Dtudy, Library or Cybercafe and so on. The sturdy metal design fan produces a soft breeze to keep you cool and relaxed in hot days. Powered by a 3.9 ft USB cable - Compatible with Computers, Laptops, Portable Chargers and other devices with usb output. 4 Inch blade and 6 inch frame saves your desk space. Quiet Operation+Handheld Size+Power Saving. 360 Rotatable - Adjust the direction of the wind with 360 up and down adjustment.