Label Maker Machine with Tape 2 in B21 Bluetooth Portable Thermal

In this review of the B21 label maker machine, the bottom line is simple: anyone running a small business, home office, or craft shop who needs fast, clear, and portable label printing will appreciate it. The standout reason to buy is its combination of a high-resolution thermal engine and a versatile companion app, which together make creating professional product labels, price tags, and barcode stickers quick and customizable. Setup is straightforward and the included label roll gets you printing right away.

Key Features

• AIYIN app options: The companion app provides over 70 fonts, 300+ frames, and 2000+ stickers so labels can be styled precisely for products or organization needs.
• High-resolution thermal printing: The 203 DPI thermal printhead produces crisp text and simple graphics without ink, delivering professional-looking labels every time.
• Fast output: The printer can produce up to 55 labels per minute, helping during busy inventory or price-tagging sessions.
• Flexible label sizes: It supports label widths from 0.98 to 2.24 in and ships with a starter roll of 40x30mm thermal labels so you can start printing immediately.
• Portable power: A 2500mAh battery provides extended use between charges and the Type-C fast charging reaches full capacity in about three hours.
• Quick pairing: The B21 pairs to phones and PCs in seconds, enabling on-demand printing from multiple devices.

Who It's For

The B21 is aimed at small retailers, craft sellers, and home-office users who need a compact, inkless label printer for product tags, barcodes, and organizational labels. Its combination of app-driven design tools and high-resolution thermal printing makes it especially useful for sellers who want consistent, attractive labels without the hassle of ink cartridges.

Users who need industrial-scale printing, very wide label formats beyond 2.24 in, or advanced barcode verification should consider a larger desktop label printer instead, as the B21 is optimized for portability and light-to-moderate daily volumes.

Pros & Cons

Pros

• High 203 DPI print quality for clear, professional-looking labels.
• Extensive app customization with many fonts, frames, and stickers for tailored designs.
• Portable form factor with long battery life and Type-C fast charging.
• Fast pairing and quick label throughput to keep workflows moving.

Cons

• Maximum label width of 2.24 in limits use for larger-format tags or wide shelf labels.
• Thermal labels are inkless but can fade over very long periods if exposed to heat or sunlight.

Specifications

Brand	FLYFAR
Print technology	Inkless thermal (203 DPI)
Label width supported	0.98 in to 2.24 in
Included label roll	40 x 30 mm thermal roll
Battery	2500 mAh, Type-C fast charging (approx 3 hours)
Print speed	Up to 55 labels per minute
Companion app	AIYIN app with 70+ fonts, 300+ frames, 2000+ stickers

Our Verdict

The B21 label maker is a well-balanced choice for small businesses and home users who want portable, high-resolution label printing with powerful design tools. It delivers good value by combining fast, inkless printing and extensive app customization in a compact package, making it ideal for product labels, price tags, and organized shelving where professional appearance matters.

Frequently Asked Questions

Does it work with phones and computers?
Yes, the B21 supports fast Bluetooth pairing with phones and also connects to PCs for printing from multiple devices.

What label sizes are supported?
Label widths from 0.98 in up to 2.24 in are supported and a 40 x 30 mm roll is included.

How long does the battery last?
The 2500 mAh battery provides up to about a week of typical continuous use and fully charges in roughly three hours via Type-C.