Flexible connectivity the QL 820NWB network label printer features Bluetooth�wireless technology, Ethernet and Wireless (802.11B/g/N) interfaces Also offers a USB host interface for use with a peripheral such as a Scanner Ultra fast, up to 110 standard address labels per minute with black text at 300dpi Easy to read monochrome LCD screen allows for standalone use Print amazing black/red labels using DK 2251; Maximum Label Length: 3 feet