2. Power supply: 5V DC directly from the USB port, no driver or installation required

3. Low noise and heat operation

4. Safe and soft nylon fan blades

5. Provides cool air while working

6. Gently adjusts the flexible neck of USB fan to position, then runs anyway you wish

7. Durable feather weight construction, small enough to take anywhere easily

8. Compatible with PCS, notebooks and PDAs

9. Highly recommended as gifts or promotion gifts