NIIMBOT B1 Pro Portable Bluetooth Thermal Label Printer, 203 dpi, Blue

With a crisp 203 dpi direct thermal print head, the NIIMBOT B1 Pro produces sharp, smudge-free labels at speeds up to 60 mm/s—no ink or toner ever needed. This compact blue label printer connects wirelessly via Bluetooth 4.0 to your smartphone, letting you design and print custom labels for home, office, or retail from the free NIIMBOT app.

Overview

The NIIMBOT B1 Pro is a portable label printer built for everyday labeling tasks. It supports label widths from 20 mm to 50 mm and a maximum print width of 48 mm, making it versatile for address labels, barcodes, price tags, cable markers, and more. The built-in 2200 mAh rechargeable battery delivers long standby time—up to 100 days—so it's ready when you are. Charging is simple via the included USB Type-C cable.

What stands out

• Direct thermal technology—no ink, toner, or ribbons required
• Bluetooth 4.0 wireless connectivity for iOS and Android devices
• High-capacity 2200 mAh battery with up to 100 days standby
• Supports continuous, gap, and black mark thermal paper
• Compact and lightweight, perfect for on-the-go labeling

Technical details

• Print resolution: 203 x 203 dpi
• Print speed: 30–60 mm/s
• Max print width: 48 mm
• Label width range: 20–50 mm
• Connectivity: Bluetooth 4.0
• Battery: 2200 mAh rechargeable lithium-ion
• Charging: USB Type-C, 5V/1A
• Compatibility: Android 5.0+, iOS 9.0+
• Material: ABS plastic
• Print head life: 50 km
• Auto sleep function: Yes
• Cutter: Manual tear

Our verdict

The NIIMBOT B1 Pro strikes an excellent balance between portability and performance. Its 203 dpi output is sharp enough for most labeling tasks, and the long battery life means you won't be hunting for a charger constantly. If you need a reliable, app-driven label printer without the hassle of ink, this blue model is a smart pick.