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Purple handheld label printer with Bluetooth, 13.2 cm x 6.2 cm x 9.1 cm

NIIMBOT B21 Pro Label Printer 300 dpi Red-Black Bluetooth Purple

SKU CH-NYC9-91H2Y MPN B21

A portable 300 dpi thermal label printer producing red-and-black output on 20–50 mm media via Bluetooth or USB with a built-in cutter

  • Interface typeBluetooth
  • Cutter typePortable
  • RFID encodingPrint only, Thermal
  • Ribbon typeThermal
  • Accepted media sizes2 in, 1-2 in
  • Media capacityLabels
  • 300 dpi resolution produces sharper text and images
  • prints red and black together on special label paper
  • Bluetooth for Android and iOS plus USB for PC
  • free NIIMBOT app with 1500+ symbols, QR codes and OCR
  • portable 13.2 cm x 6.2 cm x 9.1 cm design with built-in cutter

Portable 2-inch thermal label printer

The NIIMBOT B21 Pro is a compact thermal label printer that produces 300 dpi output in red and black on media from 20 mm to 50 mm wide. It connects to Android and iOS devices via Bluetooth and to a PC through a USB cable using the NIIMBOT app. The unit measures 13.2 cm by 6.2 cm by 9.1 cm and includes a portable cutter and a starter roll of 50 mm by 30 mm labels.

Mobile workers and small businesses needing

This printer suits users who want on-demand colour-coded labels for inventory, pricing or craft packaging without a monthly subscription. It is not suited for buyers who need continuous high-volume roll feeding, wider than 50 mm media, or direct compatibility with tablets or desktop operating systems beyond the supplied Windows software.

300 dpi red-and-black thermal resolution

The defining specification is the 300 dpi dual-colour thermal engine, which determines label clarity and the requirement for special red-and-black label paper. Print width tops out at 48 mm and maximum label length reaches 200 mm, so verify those limits match your label format before purchase.

How it compares

Measured against everything we stock in Thermal Label & Receipt Printers, at today’s prices. Recalculated every night.

Price $81.99
Typical for this category: the median of 858 items is $84.99.

Specifications

Product
Brand nameNIIMBOT
Model nameB21 Pro
Ports & slots
Interface typeBluetooth
Size & build
Product dimensions13.2 cm × 6.2 cm × 9.1 cm
Compatibility
Accepted media sizes2 in, 1-2 in
In the box
In the boxLabels
More details
Cutter typePortable
RFID encodingPrint only, Thermal
Ribbon typeThermal
Media capacityLabels
Print dimensions1-2 in

Questions about this item

What smartphone operating system do I need to run the NIIMBOT app for this B21 Pro printer?

The NIIMBOT app works with Android and iOS devices, connecting to the B21 Pro via Bluetooth for label design and printing.

Can I still print from a Windows PC using a cable if I keep my desktop instead of a phone?

Yes, the B21 Pro supports USB cable connection to a PC running the NIIMBOT desktop application, though it is not recommended for use with tablets.

How do I confirm the 300 dpi resolution is producing sharp red and black output on my labels?

Print a test label using the NIIMBOT app; the 48 mm effective print width should show crisp text, borders, QR codes and both red and black elements on the special two-colour paper.

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