The Brother QL-820NWBC offers flexible connectivity - 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 300dpi. Create and print labels from your mobile device when connected to a wireless network via AirPrint and Brother iPrint and Label. Using the free, Brother iPrint and Label app‡ with your Apple iPhone, iPad, and iPod touch or Android smartphones you can quickly access and print label templates - or create your own custom labels with graphics or photos. Easy to read Backlit Monochrome LCD screen allows for standalone use. Add an optional Li-ion battery for a complete mobile solution. Easy to integrate with free software development kits. Uses convenient, Brother genuine DK drop in labeling supplies. Needs no ink or toner. Windows and Mac compatible.