This printer offers flexible connectivity via Bluetooth wireless technology, Ethernet and Wireless (802.11b\/g\/n) interfaces. Create amazing Black\/ Red labels using DK-2251 or cost-effective, paper labels for packages, name badges, postage and 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 and 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 and Mac compatible.