Bluetooth connectivity distinguishes the Intermec PB50B12004100 within the PB50 rugged mobile label printer family, pairing with serial and USB interfaces to support flexible field deployment. The printer produces monochrome direct thermal output at 203 dpi and up to 4 in/s across a 4.39-inch print width, accepting labels and tags on rolls up to 2.65 inches in diameter with a 0.75-inch core and a maximum label width of 4.39 inches. A rechargeable Lithium Ion battery powers the unit, and 16 MB of standard memory is backed by 64 MB of flash. Language emulation covers Fingerprint, IPL, ESC/P, DSim and CSim. The portable chassis measures 6.9 by 6.3 by 3.1 inches and weighs 2.62 lb, with an included belt clip, status indicator and error condition indicator supporting hands-free carry and at-a-glance monitoring in retail and warehouse environments.