This document provides product specifications for the HP LaserJet Pro MFP M28 printer series. It is the world's smallest laser printer in its class, offering print, scan, and copy functionality. Key features include a print speed of up to 18 pages per minute, wireless connectivity and mobile printing capabilities, and a compact design. It is available as the HP LaserJet Pro M28a printer or the HP LaserJet Pro M28w printer, which adds wireless networking and other mobile features.