1.One-piece delicate and handy design, USB connector enables to bring it to anywhere, it is suitable to use beside computer or on the dresser

2.Nano-sized ultrasonic atpmizing technology, the big and fine mist will not moistening your table-board or damage the computer

3.It will stop in one hour automatically, safety for use

4.One water tank water can use around 4 hours.

For more information, please feel free to contact me