QS-5806 Portable 58mm Bluetooth POS Receipt Thermal Printer Features 1. High-speed, clear thermal printing. 2. Compact size, lightweight, wireless design, simple Bluetooth connection, easy operation and maintenance, reliable performance. 3. Built-in rechargeable 1400mAh lithium-ion battery for extended standby time. 4. Ideal for mobile point-of-sale, field service, logistics, retail, hospitality, and other portable business applications. Specifications 1. Printing method: Thermal line printing. 2. Paper width: 58mm; effective print width: 48mm; print density: 384 dots per line. 3. Print line capacity: Up to 24 alphanumeric characters per line (depending on font size). 4. Character encoding: GBK (supports Chinese characters). 5. Built-in fonts: ASCII (12×24, 8×16), GBK (24×24, 16×16, 32×32, 48×48). 6. Print speed: 70 mm/s. 7. Print head life: Up to 50 km (at ≤25% print density or up to 100 million pulses). 8. Printable content: Text (English, numbers, symbols), logos, 1D/2D barcodes, images, and multilingual characters. 9. Resolution: 8 dots/mm (203 DPI). 10. Connectivity: Mini-USB and Bluetooth. 11. Power input: 9V–1.5A adapter for charging. 12. Continuous printing time: Approximately 2.5–3 hours on a full charge. 13. Command language: ESC/POS compatible. 14. Paper cutting: Manual tear-off. 15. Alerts: Low-battery indicator, Bluetooth connection status, paper-out alarm, audible beep. 16. Black mark detection: Supported (compatible with gap-type adhesive thermal paper). 17. Compatible operating systems: Android, iOS, Windows (98/ME/2000/NT/XP/Vista/7/8/10/11), Linux.