NIIMBOT B21 PRO Black Label Printer

Keeping track of inventory, pricing, and shipping labels can be a time-consuming hassle, especially when you need to print on the go. The NIIMBOT B21 PRO Black Label Printer eliminates the need for bulky desktop printers and messy ink cartridges, giving you a compact, reliable way to produce crisp, professional labels wherever you are.

Who is it for

This printer is ideal for small business owners, online sellers, warehouse staff, and home organizers who need a portable labeling solution. It’s perfect for printing address labels, barcodes, price tags, cable markers, and more—all from your smartphone.

Main features

• Direct thermal printing—no ink or toner required, saving you money and hassle.
• 203 DPI resolution for sharp, clear text and barcodes.
• Bluetooth 4.0 connectivity for wireless printing from iOS and Android devices via the NIIMBOT app.
• Rechargeable 1200 mAh lithium-ion battery for all-day portability.
• Supports label rolls up to 53 mm wide, with a maximum print width of 48 mm.
• Fast print speed up to 60 mm/s to keep up with your workflow.
• Automatic label calibration for quick setup and consistent results.
• Manual tear bar for easy label separation.
• USB-C charging port for convenient recharging.
• Compact, lightweight design with durable ABS construction.

Specifications

• Print technology: Direct thermal
• Maximum resolution: 203 x 203 DPI
• Maximum printing width: 48 mm
• Maximum label roll width: 53 mm
• Print speed: Up to 60 mm/s
• Connectivity: Bluetooth 4.0
• Battery: Rechargeable lithium-ion, 1200 mAh
• Charging: USB-C, 5V/1A
• App compatibility: NIIMBOT App (iOS & Android)
• Supported label types: NIIMBOT direct thermal labels
• Auto-calibration: Yes
• Cutter type: Manual tear bar
• Material: ABS
• Colour: Black

Tips

Use genuine NIIMBOT labels to ensure optimal print quality and prevent damage to the print head. Keep the printer charged and store it in a cool, dry place when not in use. For best results, clean the print head regularly with a soft, dry cloth.