Niimbot B21 / B21 Pro Portable Bluetooth Thermal Label Printer
Niimbot B21 / B21 Pro Portable Bluetooth Thermal Label Printer
Niimbot B21 & B21 Pro – Wireless Portable Thermal Label Printer
Print professional-quality labels anywhere with the Niimbot B21 / B21 Pro Portable Thermal Label Printer. Compact, inkless, and Bluetooth-connected, this versatile label maker is perfect for home organizers, bakeries, small businesses, retail shops, and more. Simply pair it with your smartphone via the Niimbot app and start printing custom price tags, barcodes, photo labels, and sticker labels in seconds — no ink cartridges required.
Choose Your Model
- B1 (203 dpi) – Ideal for everyday text and line printing.
- B21 (203 dpi) – Great for text, barcodes, and price tag printing.
- B21 Pro (300 dpi) – Superior resolution for photos, text, and line printing; supports red-letter printing for eye-catching labels.
Key Features
- Inkless Thermal Printing – No ink, no mess. Uses thermal paper for clean, consistent results every time.
- Bluetooth Connectivity – Wirelessly connect to iOS or Android smartphones via the free Niimbot app for effortless label design and printing.
- Fast Print Speed – Prints at up to 20 ppm so you can produce labels quickly without waiting.
- Compact & Portable – Lightweight ABS body fits in your hand or bag, ready to print wherever you go.
- Built-in 1200 mAh Battery – Rechargeable battery provides long-lasting wireless operation without being tethered to a power outlet.
- Print Width 20–50 mm – Accommodates a variety of standard thermal label rolls for flexible use cases.
- Universal Voltage – 100–240V compatible for use in any country.
- CE & FCC Certified – Meets international safety and electromagnetic standards.
- Automatic & Manual Paper Feed – Flexible paper loading to suit different label workflows.
Perfect For
- Bakery & food product pricing labels
- Retail price tags & barcode stickers
- Home pantry & storage organization
- Office file labeling & asset tagging
- Small business shipping & inventory labels
- Photo & personalized sticker printing (B21 Pro)
Technical Specifications
| Models | B1 (203 dpi) / B21 (203 dpi) / B21 Pro (300 dpi) |
| Connectivity | Bluetooth (App + Push Button Control) |
| Print Speed | 20 ppm |
| Print Width | 20–50 mm |
| Battery | 1200 mAh (included) |
| Voltage | 100–240V |
| Material | ABS |
| Consumable Type | Thermal Paper (inkless) |
| Certifications | CE, FCC |
| Country of Origin | Made in Mainland China |
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Frequently Asked Questions
Q: Does the Niimbot B21 Pro label printer require ink or toner cartridges?
A: No — the Niimbot B21 / B21 Pro uses inkless thermal printing technology. It only requires compatible thermal label paper rolls, which are inserted directly into the printer. There are no ink or toner cartridges to replace, making it a cost-effective and low-maintenance solution for home and business labeling.
Q: How do I connect and control the Niimbot B21 label printer?
A: The Niimbot B21 and B21 Pro connect wirelessly via Bluetooth to your iOS or Android smartphone. Simply download the free Niimbot app, pair your device, and design your labels directly from the app. You can also use the push button on the printer for quick single-press printing.
Q: What is the difference between the B21 (203 dpi) and the B21 Pro (300 dpi)?
A: The B21 offers 203 dpi resolution, which is excellent for text labels, barcodes, and price tags. The B21 Pro upgrades to 300 dpi, delivering sharper detail for photo printing and finer graphics. The B21 Pro also supports red-letter printing, making it ideal for eye-catching promotional or product labels.
Q: What label sizes are compatible with the Niimbot B21 portable label printer?
A: The Niimbot B21 and B21 Pro support thermal label rolls with print widths ranging from 20 mm to 50 mm. A range of Niimbot-brand thermal label rolls — including white photo labels, clear labels, and color-coded options — are available separately to suit different labeling needs.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.