4-inch smart portable label printer

NIIMBOT B4

110mm extra-large paper compartment

110mm large paper compartment

Richer printing scenarios

Automatic recognition of labels

Quick access to editing

Multiple Bluetooth connections for 10 terminal devices

Efficiency doubled

Shaftless paper compartment design

Easier paper loading

No ink required for life

Thermal printing technology

Automatic paper return positioning

The first label is not wasted

2000mAh large-capacity battery

Long-lasting battery life, supports power bank charging

110mm large label width

Meet all kinds of large label printing needs

Compatible with label sizes of 20-110mm, with a maximum label width of 110mm, supporting complex layouts such as extra-long barcodes and dense product information

Tag self-identification technology

Eliminate complex operations and enter editing in one step

Adopting innovative label self-identification technology, the label paper is put into the warehouse, and the APP automatically identifies the label specifications, which is simpler and more efficient.

Open and put paper

Automatically clamp the label paper in the center when you release it

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

Automatic paper return technology

Automatic paper return positioning calibration when power on

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

NIIMBOT APP, get started with zero basic knowledge

Tag editing has never been easier

19,000+ industry label templates

One-click reuse eliminates the need for complex editing

Multiple custom editing functions

Built-in editing functions for fonts, symbols, languages, icons, etc.

High-efficiency batch printing

Support data source/Excel table data import

PDF Printing

Support local PDF file import

Real time

One-click insertion, automatic update

AI image recognition, snap and print

Automatically restore generated tag content

Mobile phone and computer multi-terminal support

Up to 10 terminal devices can be connected and edited simultaneously

Multiple people can connect and use it at the same time, effectively solving the limitation of single connection, and multiple people can work together to achieve higher efficiency.

Support for more system docking

Strong compatibility

Supports CPCL/ESC instruction set dual opening, supports access to inventory management, ERP and other systems; supports software secondary development docking, and common system docking can be easily done.

Technical specifications

  • Product size

    135*157*69mm

  • Product weight

    757g

  • Battery capacity

    2000mAh

  • Printing method

    Thermal

  • Printing resolution

    203dpi

  • Effective printing width

    104mm

  • Print speed

    max80mm/s

  • Charging port

    Type-C (including dual C)

  • Connection method

    Bluetooth/USB

  • Label paper width

    20-108mm

  • Print height

    8-350mm

  • Paper feed type

    Gap, Transparent, Black Mark Paper

  • Rated input

    5V 2A

  • Operating temperature

    0-45℃

  • Transmit power

    4dBm(Max)

  • Operating frequency

    2400MHz-2483.5MHz

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.