MUNBYN RealWriter 402B Bluetooth Label Printer

402B Bluetooth Thermal Label Printer

Print Smarter, Work Faster.

• 203DPI, 150mm/s
• 970K-label lifespan & Auto Size Detection (1.57–4.3″)
• Integrated AI for Enhanced Performance
• With MicroJam Technology, jams occur less than 0.01% of the time
• 203DPI, 8dots/mm
• Max 150mm/s printing speed
• Printing Label Size: Wide 1.57-4.3 inches
• Capable of printing up to 970,000 shipping labels
• Print Command: TSPL
• Bluetooth Wireless, Clear printing, Compact, Fast Printing, No ink required
• MicroJam Technology
• Global Recycled Standard, Carbonfree Certified

MUNBYN 402B is a reliable, easy-to-use thermal label printer designed for the fast-growing e-commerce and small business market. With seamless setup, 203dpi high-resolution printing, and wide compatibility with Amazon, eBay, Shopify, UPS, and more, it ensures strong consumer demand and repeat purchases. Compact, durable, and low-maintenance, the 402B offers excellent resale potential. Partner with MUNBYN for bulk supply, consistent quality, and dedicated after-sales support—helping you expand your distribution network with confidence.

Reliable Label Printing for Business Growth

The MUNBYN RW402B Thermal Label Printer delivers consistent, high-quality output for shipping, retail, and e-commerce needs. With a printing lifespan of up to 970,000 labels—six times longer than conventional models—it is a long-term asset that reduces downtime and lowers your total cost of ownership.

Seamless Integration Across Platforms

Broad compatibility ensures effortless connection with FedEx, UPS, USPS, Amazon, Shopify, eBay, Etsy, and ERP/WMS systems, streamlining your logistics and retail operations. Advanced Auto Size Detection supports labels from 1.57″ to 4.3″, eliminating manual calibration and saving valuable employee time.

High Productivity & Reliability

Equipped with MicroJam Technology, the RW402B delivers a jam-free performance with a failure rate of less than 0.01%, ensuring smooth operations in warehouses, fulfillment centers, and retail outlets. Integrated AI optimizes print head performance for consistent accuracy.

Product Parameters

Maximum Media Size

4 x 6 inch

Included Components

‎Labels

Print media          ‎

Labels

Max Input Sheet Capacity

‎500

Max Copy Speed (Black & White)

72 ppm

Compatible Devices

Laptops, PC, Smartphones, Tablets

Sheet Size

4×6 Inches

Maximum Black and White Print Resolution

203DPI

Warranty Type

‎2-year warranty and lifetime technical support

Dual-sided printing

‎No

Max copy resolution black-white

‎203DPI

Duplex

Simplex

Hardware Interface

USB Type C

Ink Color

Black

Resolution

203DPI

Additional Printer functions

‎Print Only

Control Method

App

Output sheet capacity

72

Total USB Ports

1

Model Series

RealWriter

Specific Uses For Product

Office

Printer Ink Type

‎Direct Thermal

Manufacturer

‎MUNBYN

Item Weight

‎3.06 pounds

Product Dimensions

4.9 x 9.76 x 6.49 inches

Item model number

‎RW402B

Number of Items

1

Size

Small

Manufacturer Part Number

‎RW402B