Description
Key Features
- High-Resolution 300 DPI Printing: Features an upgraded print head for crystal-clear text, crisp barcodes, and detailed photo printing, a major leap from the standard 203 DPI.
- Black & Red Dual-Colour Printing: Create more striking and vibrant labels for price tags, safety signs, or promotions (requires dual-colour compatible label rolls).
- Smart App & Bluetooth Control: Connects wirelessly to iOS and Android devices, offering a powerful app with over 30 fonts, 100 borders, and 1500+ symbols.
- Inkless Thermal Technology: Never buy ink or toner again. This printer uses heat to create labels, making it efficient, clean, and cost-effective.
- Array of Cute and Colourful Designs: Your label printer no longer looks like another boring piece of office equipment. It’s stylish, colourful, capable – and you can take it anywhere.
Niimbot B21 Pro. The 2026 Upgraded Retro Label Printer.
The Niimbot B21 Pro Thermal Label & Photo Printer is the latest feature-rich flagship from Niimbot, building on the iconic retro design of the beloved B21. This 2025 model introduces a high-resolution 300 DPI print head, dual-colour printing capabilities, and a larger battery, making it the perfect labelling companion for your home, office, or small business.

Flexible and powerful app control.
The flexibility is in your hands, with the intuitive NIIMBOT app for iOS and Android. Connect instantly via Bluetooth to design and print labels, import images, generate QR codes, or batch print directly from your phone. For those who want more, the desktop app for Windows allows you to dig deeper into your label designs.

Smart and efficient operation. No ink, no fuss.
Say goodbye to your ink-themed woes with the B21 Pro. Using inkless thermal technology, you’ll never have to deal with messy ink cartridges. The printer features smart RFID technology that automatically detects the label roll you’ve inserted, adjusting the template in the app to match. It even auto-aligns the first label to eliminate waste.

Visually stunning retro design meets modern power.
Visually, the Niimbot B21 Pro is stunning, proving that label printers don’t have to be confined to a drab office space, but can be shown off proudly! The retro modern aesthetic looks incredible on any desk or shop counter. It’s not just for show. The upgraded 1500mAh internal battery provides hours of portable printing, all charged via a modern USB-C port.
Endless Application at your Fingertips.
There’s a plethora of printing paper sizes and types available for the Niimbot B21 Pro Label Printer. You can get photo card to print pictures in an instant, transparent labels, freezer labels, and much more. The array of available paper types makes this mini thermal printer a powerhouse of application. You’ll wonder how you ever organised your life without it.



Specifications
Connectivity & Performance
- Connection Modes:
- Wireless: Bluetooth 5.0
- Wired: USB-C (for PC connection and charging)
- Printing Speed:
- Up to 60mm/s
- Supported Platforms:
- Mobile: Android, iOS
- PC: Windows
Core Components
- Print Head:
- Sensor Type: Upgraded Thermal Print Head
- Resolution:
- 300 DPI
- Print Colours:
- Monochrome (Black)
- Dual-Colour (Black & Red with compatible paper)
Features & Customization
- On-board Display: LED Status Indicator
- Software Suite: NIIMBOT App (iOS/Android/Windows)
- Label Support: 20mm – 50mm width
- App Features: Smart RFID label detection, batch printing, image recognition, barcode/QR code generation, 30+ fonts, 100+ borders, 1500+ symbols.
Physical & Electrical
- Design: Retro-style ABS Plastic
- Battery:
- Type: Lithium-ion Polymer, rechargeable
- Capacity: 1500mAh
- Charging Port: USB-C
Package Contents

- Niimbot B21 Pro Label Printer
- Starter Roll of Label Paper (pre-installed)
- USB-C Data/Charging Cable
- User Manual
















