Features: High efficiency motor, with nylon brush head, can easily absorb , eraser , and other debris in the of the keyboard. Built-in rechargeable battery, charged through a universals USB interfaces, and energy saving, say goodbye to the trouble of frequent battery replacement. Optimized motor structure, low noise during work, will not interfere with the and study environment. Clear box designs, moderate capacity, a clicks to open the lid to pour out garbage, cleaning and maintenance are super. Make of plastic, which is sturdy and enduring; the suction port is equipped with nylon brush, which is soft and does not damage the surfaces of objects. Specifications: Component: Plastic, Metal, Nylon Color: Blue/01/Gray White Size: about 7.1x11.4cm/2.8x4.49inch Power: 5W Input voltages: 3.7V Package Includes: 1pc Desktop vacuum cleaners note: Please allow 1-2cm errors due to manual measurement, 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.