NIIMBOT B21S tarratulostin roosa

Small business owners and home organizers can quickly create custom labels for products, shelves, cables, and storage bins with the NIIMBOT B21S. This compact pink printer connects wirelessly to your smartphone, letting you design and print labels directly from the NIIMBOT app—no ink or toner required.

Key specifications

• Direct thermal printing at 203 dpi for crisp text and barcodes
• Print speed of 30–60 mm/s and maximum print width of 48 mm
• Supports label widths from 20 mm to 50 mm
• Bluetooth 4.0 (BLE) connectivity for iOS and Android devices
• Rechargeable 2200 mAh lithium-ion battery with USB-C charging
• Manual tear bar for easy label separation
• Auto sleep function to save battery
• Print head life up to 50 km
• Durable ABS + PC construction in pink

Why choose it

The B21S eliminates the hassle of ink cartridges and ribbons, using heat-sensitive labels for clean, smudge-free output. Its pocket-sized design and long-lasting battery make it ideal for on-the-go labeling tasks, while the intuitive app offers a wide range of templates, fonts, and barcode options to suit any need.

Ideal use cases

• Retail price tags and product labels
• Home organization: pantry, closet, and storage bins
• Cable and cord identification
• Shipping and address labels
• Office file and folder labeling

Good to know

The printer works exclusively with NIIMBOT thermal adhesive labels (not included). The USB-C port is for charging only; data transfer is via Bluetooth. The NIIMBOT app is free to download and includes a variety of design tools.