Features: 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 will 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, etc Specifications: Material:Aluminum Alloy Diameter:Approx.144mm/5.67in Option Color:Silver,Gold Power:5V 4W 360°Rotation Cable Length:Approx.120cm/47.24in Adjustable Height:175mm-295mm Builts in Battery:2000mah Package Includes: 1xDesk Fan note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.