Multi-size Support: Labels width ranges from 1.57" to 4.3", such as 4x6, 3x3, 3x2 thermal labels and so on. The clear and professional print quality, combined with high-speed and high-volume capabilities, significantly enhances work efficiency. Multi-Platform Support - Includes Windows/Mac desktop software + mobile apps (iOS/Android) with batch printing feature. Ideal for: Amazon FBA & Walmart WFS sellers eBay/Shopify/Etsy store owners USPS/UPS/FedEx small business shippers


Product information

Brand Rongta
Connectivity Technology Bluetooth, USB
Printing Technology Thermal
Special Feature Portable,inkless, wireless
Color Black
Model Name Thermal Shipping Label Printer
Printer Output Monochrome
Maximum Print Speed (Color) 1.0
Max Printspeed Monochrome 120.0
Product Dimensions 8.66"D x 3.54"W x 4.13"H
Controller Type Android, iOS
Maximum Media Size 4.1 x 9.5 inch
Included Components Labels
Print media Labels
Max Input Sheet Capacity 100
Max Copy Speed (Black & White) 120 ppm
Sheet Size 4 X 6 Inches
Maximum Black and White Print Resolution 300 dots_per_inch
Warranty Type Limited
Dual-sided printing No
Max copy resolution black-white 300DPI
Duplex Simplex
Hardware Interface USB
Ink Color Black
Additional Printer functions Print Only
Control Method App
Total USB Ports 1
Model Series Thermal Shipping Label Printer
Specific Uses For Product Enterprise, Home, Office
UPC 798156389994
Printer Ink Type No Ink
Supported Media Sizes 4 x 6 inches
Item Weight 2.99 pounds
Item model number RP421A-BU-BK
Date First Available August 17, 2025
Manufacturer Rongta

Additional Features

  • Attention: Phone and Tablet Start Print: Download the App 'RT-Elabel', Turn on thelabel printer and your phone's or tablet's Bluetooth.; Laptop/PC Starts Printing: Download and install the driver from the Website or QR codes.Than Use the USB data cable to connect the desktop label printer to your computer.