Features: Motors- made of copper- are more durable, 4 adjustable speed comfortable wind and silent, quality assurance. 10.6inches Portable ceiling fan, USB-plug design, 4000mAh battery, rechargeable 5 blades-, ceiling fan swivel- diameter 10.6inches,ceiling fan height 6.1 inches. With a 4000mAh battery, 4 speed settings, and 2/4/6/8 hour timer function, remote control more convenient Compact- and lightweight hanging fan, safe to use and energy saving, easy to install and dismantle. Specifications: Fan Diameter: approx 27cm/10.6in Fan Height: approx15.5cm/6.1in USB: 5V1.5A Battery：4000mAh Fan Blades:5 Material:Plastic Cable Length:approx 300CM/118in Speed: 4 Speed Timing：2/4/6/8hours Package Includes: 1 Set Ceiling Fan note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.