The compact NIIMBOT B21 Pro label printer helps you keep things organized at home and at work. Thanks to thermal printing technology it requires no ink or toner, connects to your phone via Bluetooth, and offers 300 dpi resolution for sharp, legible prints on labels 20–50 mm wide. A powerful 1500 mAh battery, fast USB‑C charging, and a stylish retro design make it ideal for labeling documents, boxes, spice jars, and price tags.
Ink-free 300 dpi thermal printing
Clean, sharp, and durable prints without ink or toner costs. Ideal for barcodes, price tags, and professional labels.
Smart app control
Connect via Bluetooth, choose fonts, icons, and templates, and create custom labels in seconds.
Stylish retro design, easy to carry
The compact body with retro elements in dark green looks great on your desk and fits comfortably in a bag.
The NIIMBOT B21 Pro is a portable label thermal printer that combines modern ink-free printing with an elegant retro look. Operation is simple—insert a roll, adjust the content in the app, and print with a tap. The crisp 300 dpi resolution ensures professional results for home organization, the office, and retail.
In the mobile app you can choose from various fonts, icons, and templates. The printer supports standard, paper, and transparent labels. With special two-color labels (not included) you can print in black and red. The 1500 mAh battery provides long runtime and recharges quickly via USB‑C.
Use cases:
- labeling documents, binders, and boxes
- price tags, barcodes, and logistics labels
- spice jars, storage containers, and home organization
Specifications
- Manufacturer
- NIIMBOT
- Model
- B21 Pro
- Color
- Dark green
- Printing method
- Thermal (no ink or toner)
- Print resolution
- 300 dpi
- Print width
- 20–50 mm
- Connectivity
- Bluetooth / USB‑C
- Battery capacity
- 1500 mAh
- Rated power
- 5 V / 1 A
- Operating frequency
- 2402–2480 MHz
- Maximum transmit power
- 4 dBm
- Operating temperature
- 5–45 °C
- Package contents
- Printer, USB‑A to USB‑C cable, 50 × 30 mm label roll (230 pcs), user manual
