Powerful and Super Quiet: The usb desk fan is composed of upgraded motor and aerodynamic air inlet/outlet grille, reduces air resistance, makes wind stronger and noise lower. Noise level is between 10-45db. A great personal fan for sleeping and working. Three-Speed Airflow: This portable fan has 5 modes to get the air flow exactly how you want it. The high speed is very powerful, moves a lot of air, and cools you off that much more effeciently. Low speed creates quite the impressive breeze. USB Powered: The small desk fan can run off any outlet adaptor that has USB ports. You could easily plug into power bank, laptop, computer, USB socket, wall/car charger and other USB-enabled power supply (NOTE:No wall charger included) Small Size and : travel fan is compact and portable, doesn't take up a lot of space. It's perfect size for home, office, car, desktop, night stand, bedroom, baseball games, camping and travelling. Colour:Khaki Material:ABS+electronic components Package Contents: 1 * desktop fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.