Young Living ORB Portable USB Ultrasonic Diffuser *excellent used condition *plugs into your computer or other power pack *2 settings (Blue light-sprays an interval mist every 3 seconds, Green light-sprays continuous mist *approx 4 1/4" high x 3 1/4" at widest middle great for office or travel AND Young Living USB Diffuser * Excellent used condition *size of typical USB flash drive approx 3 1/4" long x 7/8" wide * plugs into any USB port