1. Adopt powerful micro motor, with low noise emission, long service life; The letters in the LED pattern will not shake even working for a long time
2. Suitable for computers with USB, compatible with USB 1.1 and USB 2.0
3. DC 5V power supply or with external power, energy saving design, with low power consumption
4. Plug and play, only connect to computer USB and press the switch to start it
5. Metallic hose is flexible at any angle, and can blow wind to any angle
6. Installed with LED luminous mainboard, can display temperature and letters when fan rotating.