USB Charging Desktop Vacuum Cleaner Table Vacuum Cleaner for School Crumbs Dust Green Description: Multi-Purpose: A cute sharpener with a desktop vacuum cleaner, a good helper for cleaning your desk. Sharpener: alloy core, sharp and durable, suitable for all kinds of pencils with an outer diameter of 6mm-8mm. With transparent visual window, convenient to remove various chippings. Powerful Suction: The vacuum cleaner is equipped with five spiral arc blades that are powerful enough to pick up a variety of debris, while the microporous filter prevents dust from escaping. Mini Vacuum Cleaner: There are 8 sets of nylon brushes at the bottom with a removable dust box, which allows you to collect and clean paper scraps, pencil residue, eraser crumbs and dust, cookie scraps, crumbs, etc. Simple operation and easy cleaning: USB fast charging, built-in 500mAh battery, easy to keep your desk clean and tidy all day long. Comes with a portable suction nozzle and cleaning brush, easy to clean and store. Suitable for keyboard, laptop, office desk cleaning, home, school, etc. Specification : Material: ABS, electronic components Power : 3W Input voltage: 5V Battery capacity: 500mAh Charging time: about 4H Working time: about 2 hours Size chart: 8.6cm x 8.6cm x 9.5cm or 3.39" x 3.39" x 3.74" The package includes: 1 piece sharpener for desktop vacuum cleaners 1 piece suction nozzle 1 piece USB cable 1 piece cleaning brush 1 piece manual