usb light 1. Plug and play. 2. No extend power supply is needed. 3. Switchless USB LED light. 4. Position the fly-light anyway you wish. 5. Power saving design, LED light is rated to average 8,000 hours of use. 6. Durable featherweight construction and small enough for taking. 7. Anywhere easily. usb fan 1. Novel design and foldable style. 2. Wind speed adjustable switch. 3. USB powered or 3 AAA batteries. 4. Low noise fan. 5. Blades are made of soft plastic for safety. 6. Great wind force, low power consumption. 7. Plug and play.