Stay refreshed and comfortable with the USB Desk Fan. Its quiet operation ensures a peaceful working environment, while its adjustable speed allow you to personalize the airflows. This mini fan features three speed, allowing you to adjust the airflows to your preference. This fan is suitable for anyone. Whether you're working, studying, enjoy outdoor activity, this fan keep you cool and comfortable wherever you are. From office to the bedroom to camping trips, this fan is perfect for various environment. Stay refreshed with the USB Desk Fan. With its powerful performances, it a reliable choice for hot summer day. 175mm-295mm height adjustable, suitable for dormitories, picnics, camping, Diameter:.144mm/5.67in Power:5V 4W 360°Rotation Cable Length:.120cm/47.24in Adjustable Height:175mm-295mm Builts in Battery:2000mah Color: Silver Material: Metal Package Contents: 1 * Foldable metal fan for desktop 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.