This 20 in 1 Keyboard Cleaner Kit is a must-have for anyone who wants to keep their electronic devices clean and dust-free. The kit includes a retractable big brush that can easily clean hard-to-reach areas, and a series of small brushes that are perfect for cleaning keyboards and other small devices. The kit is made in China and weighs only 150g, making it easy to carry around and use wherever you go. Whether you're a student, worker, or just someone who wants to keep their electronics clean, this Keyboard Cleaner Kit is the perfect solution for you.