The QL810W prints up to 110 labels/min, ensuring you’re always one step ahead, whatever your business. Providing unprecedented flexibility and creative possibilities for users, this device prints in both black and red text, enabling a variety of use applications including warnings, special identification of persons on name tags, highlighting important messages, emphasizing offers on signs or for practical reminders.

Offering Wi-Fi connectivity and AirPrint capabilities, an integrated cutter and software for designing your own labels, and an optional Li-ion battery supporting mobile use, the QL810W is the professional tool you’ve been looking for.

• Maximum label width 62 mm
• Maximum print width 58 mm
• Fast print speed – approx. 110 labels per minute 
  
• Roll width up to 62mm
• Durable Auto Cutter
• Print labels with both black and red print* (with select labels)
• Advanced label design software for PC/Mac (P-touch Editor)
• Built-in label design software for PC/Mac that requires no software or driver installation (P-touch Editor Lite)
• USB and Wi-Fi with AirPrint connectivity
• Software Development Kits available for Microsoft Windows, iOS and Android devices to add label printing to your own solutions

There's more information on the Brother website:

QL810W Wireless Label Printer

For a complete mobile solution you will need the Optional Li-ion Brother PABU001 Battery Base.