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NIIMBOT B21 Bluetooth Label Printer 2 Inch 64MB 321g

SKU CH-ZY30-4SEJ5 MPN B21

Portable thermal label printer with Bluetooth, 64 MB memory and a 50 × 30 mm starter roll weighing 321 g

  • Print TechnologyThermal
  • Memory64MB Flash
  • CutterSmarter, simpler, smaller, portable, 1x 50x30mm Roll of whit
  • RFID Encoderscan, Thermal
  • Ribbon Characteristicsthermal, Thermal
  • Media Typelabels
  • Bluetooth connectivity enables wireless printing from phones
  • 64 MB flash memory stores templates and fonts locally
  • Thermal technology prints without ink or toner cartridges
  • 321 g weight and 2.36 x 5.1 x 3.54 in size suit mobile use
  • 5 h charge delivers 4 h continuous printing time

Portable 2 Inch Thermal Label Printer

The NIIMBOT B21 is a compact thermal label printer that connects wirelessly via Bluetooth to iOS and Android devices. Weighing 321 grams, it is designed for mobile use and includes 64MB of flash memory for storing label templates. A single roll of 50x30mm white labels with 230 pieces is supplied in the box.

NIIMBOT App and Media Flexibility

The free NIIMBOT app provides over 1000 icons, 100 borders and 20 fonts, plus features such as image recognition, batch printing and serial number generation. The printer accepts thermal label tapes from 0.8 to 2 inches wide, including white, colour, transparent and cable cord styles. It is not compatible with iPad or other tablet devices.

Build, Battery and Connectivity

Measuring 2.36 by 5.1 by 3.54 inches, the unit fits easily in a bag and recharges fully in 1.5 hours to deliver four hours of continuous printing. A built-in cutter trims each label automatically after printing. PC use requires a separate driver download from the manufacturer website, while mobile operation relies solely on the Bluetooth link.

Highlights

  • Bluetooth connectivity enables wireless printing from phones
  • 64 MB flash memory stores templates and fonts locally
  • Thermal technology prints without ink or toner cartridges
  • 321 g weight and 2.36 x 5.1 x 3.54 in size suit mobile use
  • 5 h charge delivers 4 h continuous printing time

Specifications

BrandNIIMBOT
SeriesB21, 21
ModelB21
Part NumberB21-UK
Print TechnologyThermal
Memory64MB Flash
CutterSmarter, simpler, smaller, portable, 1x 50x30mm Roll of white labels
RFID Encoderscan, Thermal
Ribbon Characteristicsthermal, Thermal
Media Typelabels
Media sizes supported50 mm x 50 mm x 30 mm
Print Size50 x 30 millimeters
InterfaceBluetooth
Dimensions2.36 in x 5.1 in x 3.54 in
Weight321 grams

Questions about this item

How often will the thermal print head need cleaning or replacement?

The thermal print head has no moving parts and requires no scheduled replacement; wipe it with an isopropyl swab when print quality fades.

What stops a continuous print run first — battery or heat?

The battery delivers four hours of continuous printing after a 1.5 hour charge, so battery life is the first limit.

How hot or loud does the unit get during an all-day shift?

It runs silently with no fan and stays cool because thermal printing generates minimal heat.

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