Sustainable: The handle of the computer brush is made of ABS and the bristles are made of wool, which is durable and elastic, with moderate hardness, and the soft bristles are suitable for all surfaces and expand to cover most surfaces. Reliably used to clean computers, mobile phones, displays, keyboards, cameras, digital products, etc. Our laptop cleaning brush adopts electrostatic adsorption design, which absorbs dust by electrostatic charging, easily and effectively cleans computer keys or laptop keyboards, removes dust and other objects, and achieves the purpose of easy cleaning. Effective use and cleaningMULTIPLE USES: These retractable brushes are simple and practical for use in cameras, digital products, keyboard cleaning, car interiors, home and office electronic dust removal, such as car vents, printers, phones, calculators, speakers, TVs, computers and more; electrical appliances for your convenience Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: according to the main picture