Keep document capture close to the work with a scanner built for mobility. The Brother DS-640 uses a single CIS path and USB-powered operation to fit easily into a laptop bag, temporary workspace, or front-desk setup. It is designed for teams that need to digitize receipts, forms, IDs, and other business documents without committing to a full-size desktop scanner. For distributed teams, the value is in speed of deployment and low friction. There is no separate power brick to manage, and the compact footprint makes it practical for travel, remote work, and shared environments where space is limited. That simplicity matters when scanning is a daily task, not a dedicated station. Choose the DS-640 when you need a portable scanner that supports routine document intake with minimal setup overhead. It is a strong fit for organizations standardizing on lightweight capture at the edge, where convenience, portability, and dependable document handling matter more than bulk throughput features.