403B Bluetooth Thermal Label Printer
Fast, Clear, Reliable — Every Print Counts
MUNBYN 403B Thermal Label Printer delivers high-speed, reliable printing for everyday use. Designed for home, office, retail, and e-commerce needs, it produces crisp, clear labels that simplify shipping and organization. Easy to set up and compatible with major platforms, the 403B streamlines your workflow, saves time, and ensures a smooth printing experience for both personal and business tasks. Partner with MUNBYN for bulk orders, assured quality, and dedicated support—boosting your retail and distribution growth.
2-year warranty
24/7 customer service
worldwide technical support
MUNBYN Thermal Label Printer
More choice for your growing business
Reliable Performance for Everyday Printing
The MUNBYN RealWriter 403B is a consumer-grade thermal label printer built for durability and precision. With a lifespan of up to 970,000 labels and a near-zero jam rate (<0.01%), it delivers long-lasting reliability, less downtime, and consistent results for daily use.
Effortless Connectivity Anywhere
With driver-free Bluetooth and USB setup, the 403B works seamlessly with FedEx, UPS, USPS, Amazon, Shopify, Etsy, and eBay. Start printing within minutes using the Munbyn Print app or Munbyn Editor, ensuring a smooth and stress-free experience.
Precision & Quality You Can Trust
Powered by DAC Dynamic Auto-Calibration, the 403B eliminates 99.8% of label misalignment, producing crisp barcodes and professional-quality labels. Whether for shipping, retail tagging, or branding, it delivers accuracy and performance you can count on.
Product Parameters
| Maximum Media Size | 4″ x 6″ Thermal Label |
| Included Components | Paper |
| Print media | Labels |
| Max Input Sheet Capacity | 1 |
| Compatible Devices | Android, Ios, Mac, PC |
| Sheet Size | 4″ x 6″ Inches |
| Maximum Black and White Print Resolution | 203 Dots Per Inch |
| Warranty Type | Limited |
| Dual-sided printing | No |
| Initial page print time | 1 seconds |
| Max copy resolution black-white | 203 X 203 Dpi |
| Duplex | No |
| Hardware Interface | USB |
| Ink Color | Black |
| Resolution | 203 Dpi |
| Additional Printer functions | Print Only |
| Control Method | App, Touch |
| Number of Drivers | 1 |
| Number Of Licenses | 1 |
| Number of Trays | 1 |
| Processor Count | 1 |
| Number of USB 2 Ports | 1 |
| Number of USB 3 Ports | 1 |
| Total USB Ports | 1 |
| Model Series | RW403B |
| Specific Uses For Product | Package Labels, Shipping Labels, Warehouse Labels |
| Printer Ink Type | Thermal |
| Manufacturer | MUNBYN |
| Item Weight | 2.99 pounds |
| Product Dimensions | 4.9 x 9.67 x 6.49 inches |
| Item model number | RW403B |
| Number of Items | 1 |
| Size | Small |
| Manufacturer Part Number | RW403B |