Flexible connectivity: MFi Bluetooth wireless technology, Ethernet & Wireless interfaces. USB host interface offers additional functionality. Create cost-effective, paper labels for packages, envelopes, file folders, 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 standalone 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. Wide variety of Brother DK drop-in labeling supplies. No ink or toner needed. Windows & Mac compatible. Label Maker Type: Printer; Prints Barcodes: Yes; Prints Postage: Yes; Power Source(s): AC Power Cord (Included); Li-ion Rechargeable Battery (Sold Separately).