3-inch smart portable label maker

NIIMBOT B31

This time, printing is faster

3-inch wide format

Compatible with labels from 20 to 75 mm wide

Automatic recognition of labels

Quick access to editing

Multiple Bluetooth connections for 6 terminal devices

More efficient

Shaftless paper bin design

Easy to load paper, no basic knowledge required

Thermal printing technology

No ink, no ribbon

80mm/s high-speed printing

Fast paper output, saving time

Automatic paper return positioning

The first label is not wasted

80mm/s high-speed paper output

Print more labels in the same amount of time

The speed is higher than 95% of similar products

Upgraded 8-350mm label height

Even smaller labels can be printed

B31 label printing height has been upgraded to 8-350mm, enabling the printing of smaller labels and greater compatibility

Shaftless paper compartment design

Automatic centering and clamping of loaded labels

Adopt the latest paper loading structure design, no paper shaft, no manual adjustment baffle, quick to learn paper loading

Automatic paper feeding when powered on

Automatic calibration and positioning of the first label

Effectively avoid the problem of offset of the first printed content and avoid wasting every piece of label paper

Powerful NIIMBOT app

Make tag editing easy

16,000+ industry cloud templates

One-click reuse eliminates the need for complex editing

3 intelligent input methods

Scan code/take photo to recognize image/insert text

Batch printing of data

Support local Excel spreadsheet data import

PDF Printing

Support local PDF file import

Real time

One-click insertion, automatic update

Support inserting various elements

Barcode/icon/border and other element materials

6 mobile phones connected simultaneously

Multi-person editing doubles efficiency

Say goodbye to the past limitation of one person per use, and multiple people can connect and use it at the same time, making work printing more efficient.

Intelligent and fast data import

One-click batch printing of different labels

Supports Excel spreadsheet data import, only one label format is needed, all imported information is automatically formatted synchronously, and all labels can be printed in batches with one click.

Technical specifications

  • Product size

    132*118*69mm

  • Product weight

    451g

  • Battery capacity

    1500mAh

  • Printing method

    Thermal

  • Printing resolution

    203dpi

  • Effective printing width

    72mm

  • Print speed

    max80mm/s

  • Connection method

    Bluetooth/USB

  • Charging port

    Type-C (including dual C)

  • Label paper width

    20-77mm

  • Print height

    8-350mm

  • Paper feed type

    Gap, Transparent, Black Mark Paper

  • Rated input

    5V 1A

  • Operating temperature

    0-45℃

  • Transmit power

    4dBm(Max)

  • Operating frequency

    2402MHz-2480MHz

Support & Download​

  • Product promotional images

    Download​
  • Product six-view technical drawing

    Download​
  • Product brochure

    Download​
  • Product videos

    Download​

Website Content Disclaimer:

  • 1. The prices displayed on this official website are for reference only. Please refer to the prices listed on NIIMBOT's authorized online sales platforms for the most accurate and current pricing.
  • 2. Certain user and sales data presented on this website are compiled from NIIMBOT's internal records and data officially published by online sales platforms. For verification, please contact NIIMBOT Customer Service.
  • 3. All product images and on-screen content on this page are for illustrative purposes only. The actual product (including, but not limited to, its appearance, color, and dimensions) and the content displayed on its screen (including, but not limited to, backgrounds, UI, and illustrations) may vary. Please refer to the physical product for final details.
  • 4. Certain product accessories must be purchased separately. The configurations shown on the product pages are for demonstration only.
  • 5. The performance data presented on this page is theoretical, derived from NIIMBOT's internal laboratories under specific testing conditions (as detailed in respective descriptions). Actual performance may vary due to individual product differences, software versions, usage conditions, and environmental factors.
  • 6. To ensure the accuracy of product information, specifications, and features, NIIMBOT may periodically update the content on this page—including textual descriptions and product images. These adjustments are made to align with the actual performance, specifications, and components of the product, which can vary due to continuous changes in production batches and supply chain factors.
  • 7. No specific notice will be provided for such necessary updates and revisions.