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The ultra-compact thermal label printer that fits in one hand. Weighing less than 1 lb, it offers true wireless Bluetooth printing for all your devices. Perfectly compatible with platforms like Amazon & Shopify, it prints sharp 1-4.6" labels instantly, with no ink or toner required—just plug-and-play efficiency for your business.
Product Features:
Ultra-Compact & Lightweight
Universal Bluetooth & USB
Wide 1-4.6" Compatibility
Ink-Free, Fast 208mm/s Printing
Major Platform Support
Certification: FC、CCC、 CE、Rohs、ICC

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 4x6 shipping labels.
Portable 4x6 Thermal Paper Compatibility: Designed for portability, the M421 seamlessly prints on 4x6 thermal paper, ideal for on-the-go labeling.
Shaftless paper tray design: Easier paper loading.
Certification: FCC、CCC、 CE、Rohs、IC

Relying on the strong R&D strength, complete industrial chain, and product diversification, AIMO has become the world’s leading supplier of label printer and consumables, providing customers with high-quality, cost-effective solutions.
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