The NiiMbot B21 / B21S Mini Portable Thermal Label Printer is the ultimate compact solution for effortless labeling at home, in the office, or on the go. Designed with wireless Bluetooth connectivity, this smart thermal printer allows you to create and print custom labels directly from your smartphone—no ink, toner, or ribbons required.
Lightweight and portable, the B21 delivers crisp 203 dpi resolution printing, supports a wide range of label formats, and includes intelligent paper-return technology to reduce waste. With a 1200mAh rechargeable battery, it ensures long-lasting performance for daily organization, business work, product labeling, and more.
Whether you're organizing your home, managing office supplies, labeling inventory, or creating personalized stickers, this versatile printer gives you full creative control through the intuitive NiiMbot app (iOS & Android).
✨ Key Features
📱 Wireless Bluetooth printing (Android & iOS)
🧾 Inkless thermal printing – no cartridges required
🏷️ Supports multiple label formats (price, date, name, size, weight & more)
🎨 Customizable templates via NiiMbot app
🔋 1200mAh long-lasting rechargeable battery
🧠 Intelligent paper return to reduce paper waste
📦 Compact, lightweight & travel-friendly
📶 Stable BT 4.0 interface for seamless connection
🖨️ High-resolution 203 dpi printing
⚙️ Compatible with thermal label paper 40×60mm and above
📐 Specifications
📌 Brand: NiiMbot
📌 Model: B21 / B21S (same function, upgraded branding)
📌 Print Technology: Direct Thermal
📌 Resolution: 203 dpi
📌 Connection: Bluetooth (Wireless)
📌 Print Speed: 40 ppm
📌 Battery: 1200mAh (included)
📌 Compatible Paper: Thermal Label Paper
📌 Interface: Bluetooth
📌 Max Paper Size: A4
📌 Voltage: 220V
📌 Material: ABS
📌 Dimensions: 400 × 230 × 185 mm
📌 Certifications: CE, FCC
📌 High-concerned chemicals: None
📦 Package Includes
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1 × Niimbot B21 / B21S Thermal Label Printer
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1 × Built-in Rechargeable Battery
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1 × User Manual
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(Label paper sold separately unless stated otherwise)
⚠️ Important Notice
The current stock ships as Model B21S, featuring updated branding and packaging.
All features and performance remain identical to the original B21.
Purchasing confirms your acceptance of the updated model.
Not supported for use in South Korea.
