NiiMbot B21 Mini Thermal Label Printer 🏷️

Wireless Bluetooth • Inkless Printing • Portable Design

Overview

The NiiMbot B21 is a compact, inkless thermal label printer that connects wirelessly via Bluetooth to your smartphone or PC. Perfect for organizing your home, office, or small business with custom labels for products, cables, jewelry, and more.

Key FeaturesInkless Thermal Printing

No ink or toner needed — just load thermal label paper and print instantly.

Wireless Bluetooth Connection

Pair with the free NIIMBOT app on Android and PC for long-distance printing convenience.

Rechargeable Battery

1500mAh battery delivers up to 4 hours of continuous use after a quick 3-4 hour charge via USB-C.

Powerful NIIMBOT App

Access 20+ fonts, 1000+ icons, and 100+ borders, plus barcode/QR code creation and batch printing.

SpecificationsPrint TechnologyDirect Thermal (Inkless)Print Width20-50mmPrint Rechargeable LithiumCharging InterfaceUSB Type-CCharging Time3-4 hoursMaterialABS with Baked Paint FinishDimensions130 x 94 x 61mmWeight299gPackage Contents

• B21 Label Printer
• User Manual
• USB Type-C Cable
• 1 Roll of White Label Paper (pre-loaded)

Product ImagesFAQDoes it work with Android and PC?

Yes, the NiiMbot app supports Android smartphones and PC (driver download required from the official NIIMBOT website).

Do I need to buy ink?

No, the B21 uses direct thermal printing technology and never requires ink or toner cartridges.

What label sizes can it print?

The printer supports label widths from 20mm to 50mm (0.8″ to 2″).

How long does the battery last?

A full charge takes about 3-4 hours and provides up to 4 hours of continuous printing.