Compact and lightweight handheld inkjet printer designed for continuous envelope labeling with precision. Features high-resolution printing technology for sharp, smudge-free text and barcodes. Durable ABS construction with ergonomic grip ensures comfortable prolonged use. Compatible with various envelope materials including kraft, glossy, and recycled paper. Ideal for logistics, bulk mailing, and office organization with rapid 0.8-second per print speed. Energy-efficient design supports USB rechargeable lithium battery for 8+ hours of uninterrupted operation. Includes adjustable date/counter function for sequential numbering and batch tracking. Minimal ink consumption (0.01ml per character) with easy-load replaceable cartridges. Perfect for warehouse labeling, e-commerce packaging, and direct thermal transfer applications. OEM/ODM customization available for bulk orders with proprietary ink-saving algorithm.