This printer offers flexible connectivity via Bluetooth wireless technology, Ethernet & Wireless (802.11b / g / n) interfaces. Create amazing Black / Red labels using DK-2251 or cost-effective, paper labels for packages, name badges, postage & more. Ultra-fast, printing up to 110 standard address labels per minute with black text at 300 dpi. Easy-to-read Monochrome LCD screen allows for stand-alone use. Create & print labels from your mobile device when connected to a wireless network. Add an optional Li-ion battery for a complete mobile solution. Easy-to-integrate with free software development kits. Convenient, Brother DK drop-in labeling supplies. No ink or toner needed. Windows & Mac compatible. Power Source(s): AC Adapter (Included); Maximum Tape / Label Width: 2.4"; Printing Speed: 110 Labels / min; Maximum Resolution (Dpi): 600 dpi.