
M421 Portable Shipping Label Printer
M421 thermal printer is AIMO 2025 new design and upgrade label printer, is a compact, portable, wireless thermal label printer for small businesses, home use, or warehouses, printing ink-free on various thermal labels (40-106mm) via Bluetooth or USB for shipping, barcodes, and organization. Key features include a built-in battery.
Product Features:
Red and black label printing.
Wide Label Support: Prints various thermal labels (folded or roll) from 1.57″ to 4″ (40-106mm) wide, ideal for 4×6 shipping labels.
Portable 4×6 Thermal Paper Compatibility: Designed for portability, the M421 seamlessly prints on 4×6 thermal paper, ideal for on-the-go labeling.
Shaftless paper tray design: Easier paper loading.
Certification: FCC、CCC、 CE、Rohs、IC





















