NIIMBOT B21 Pro 50 mm - Mobile Label / Receipt Printer

The NIIMBOT B21 Pro Portable Label Printer – Purple is a direct thermal printer designed for home and small business organisation. It prints at 300 DPI for legible text and graphics. Print speeds reach up to 60 mm/sec, allowing for quick label creation during active sorting tasks. The unit takes thermal label tape from 20 mm to 50 mm wide. This media capacity makes the printer suitable for creating storage box tags, file labels and price stickers.

Connectivity is handled through Bluetooth 4.0 and a USB Type-C port, enabling wireless printing from mobile devices or wired connections to a computer. The printer supports Android and iOS, so labels can be designed directly from a smartphone. Power comes from an internal 1500 mAh battery that allows cordless use away from a desk. Weighing 321 g, the housing is lightweight and easy to carry between different workspaces. The system automatically detects the installed tape size, simplifying setup when switching media.

• 20 integrated fonts – provides multiple typographic options for customising project and inventory labels.
• 0.2 m maximum label length – supports continuous printing for creating longer identification tags.
• 130 × 94 × 62 mm dimensions – maintains a compact footprint that fits easily into drawers or bags.
• Monochrome printing output – generates black text on compatible media for straightforward readability.
• No ink cartridges required – operates without toner or ribbons, reducing ongoing consumable costs.
• Purple exterior finish – adds a distinct visual element compared with standard grey or black peripherals.