NIIMBOT B21 PRO Red Label Printer, Direct Thermal, 203 DPI, Bluetooth, 53mm Width, USB-C, Rechargeable

The NIIMBOT B21 PRO in red stands out as a compact yet powerful label printer that redefines portable labeling. Unlike many entry-level models that rely on cumbersome ink or ribbons, this device uses direct thermal technology to produce crisp, smudge-free labels without any consumables beyond the labels themselves. Its vibrant red housing is not just a style choice—it makes the printer easy to spot in a busy workspace or toolbox, while the robust ABS+PC construction ensures it can handle daily knocks. With Bluetooth 4.0 connectivity and a dedicated app for Android and iOS, you can design and print labels from your smartphone in seconds, whether you're organizing cables, pricing retail items, or labeling storage bins.

Highlights

• Direct thermal printing at 203 DPI for sharp text and barcodes.
• Supports label widths from 20 mm to 53 mm, covering a wide range of labeling needs.
• Rechargeable 1200 mAh lithium-ion battery with USB Type-C charging for all-day use.
• Bluetooth 4.0 wireless connection to Android and iOS devices via the NIIMBOT app.
• Manual cutter for clean, precise label separation.
• Compact and lightweight design in eye-catching red, made from durable ABS+PC material.
• Auto sleep function to conserve battery when idle.

In daily use

The B21 PRO excels in scenarios where speed and portability matter. At 60 mm/s print speed, it quickly produces labels for price tags, address labels, cable identification, and more. The 53 mm maximum print width accommodates larger labels for shipping or shelf marking, while the manual cutter lets you trim to exact length. The companion app offers a library of templates, fonts, and barcode options, making it simple to create professional-looking labels without a computer. The rechargeable battery lasts through hundreds of labels per charge, and the USB-C port ensures convenient recharging from any standard adapter or power bank.

Full specifications

• Brand: NIIMBOT
• Model: NB-B21 PRO/RD
• Print technology: Direct thermal
• Maximum resolution: 203 x 203 DPI
• Print speed: 60 mm/s
• Maximum printing width: 53 mm
• Label width range: 20 - 53 mm
• Connectivity: Bluetooth 4.0
• Battery: Rechargeable lithium-ion, 1200 mAh
• Charging interface: USB Type-C
• Input voltage: 5V DC, 1A
• Operating systems: Android, iOS
• Companion app: NIIMBOT App
• Cutter type: Manual
• Print head life: 50 km
• Material: ABS + PC
• Auto sleep: Yes
• Colour: Red

Final note

For anyone seeking a reliable, portable label printer that combines ease of use with professional output, the NIIMBOT B21 PRO is a compelling choice. Its wireless convenience, long-lasting battery, and versatile label support make it a valuable tool for home, office, or retail environments.