The Brother DS-640 is a compact and portable document scanner that is perfect for on-the-go scanning. It is lightweight and can easily fit into a laptop bag or backpack, making it convenient to carry around. The scanner has a fast scanning speed of up to 16 pages per minute and can scan both sides of a document in a single pass. It features a built-in rechargeable battery, so you can use it without the need for a power source. The Brother DS-640 is compatible with both Windows and Mac operating systems and comes with software for easy scanning and organizing of your documents.
