Adopts ink-free thermal printing technology, never needs ink refilling. Compact size for easy carrying.✅ Standard 57mm printing width✅ Freely adjustable font size and print density✅ Compatible with ordinary thermal paper, color thermal paper and self-adhesive thermal paper✅ Wireless Bluetooth connection, one-click printing via mobile APP✅ Support printing exercise notes, lists, memos, doodles, labels and more

Lightweight & low power consumption. Perfect for students sorting exercises, daily memos, journal stickers and office checklist!