Usage Tips: Portable Desktop Thermal Receipt Printer: 58mm paper width, 48mm print width, 60mm/s print speed, 203dpi resolution. Clear printing quality and reliable performance. Large Application Range: Compatible with ESC/POS instruction set. Suitable for use in supermarkets, restaurants, retail stores, tax offices, banks, post offices, and similar environments. Supports USB and Bluetooth connectivity. Compatible with various printing apps including Loyverse, iREAP, CasierStock, and Kyte. Eco-Friendly Printing: Uses thermal print head technology—no ink cartridges or ribbons required. Low operating cost. Compatible with standard thermal paper. Strong Compatibility: Supports Linux, Windows 2000, Windows 2003, Windows XP, Windows 7, Windows 8, Windows 8.1, and Windows 10. Drivers available for easy installation. Powerful Printing Capability: Supports multiple languages worldwide. Capable of downloading and printing logos, graphics, and barcodes including UPC-A, UPC-E, EAN-13, EAN-8, CODE39, ITF, CODABAR, CODE93, and CODE128. Specifications: Model: JK-5801H Color: Blue Dimensions: 180 x 130 x 110 mm Weight: 492 g Printing Method: Thermal line printing Print Width: 48 mm Resolution: 384 dots/line (8 dots/mm, 203 dpi) Print Speed: 60 mm/second Paper Width: 57 ± 0.5 mm Maximum Paper Roll Diameter: ≤ 60 mm Paper Feed Method: Easy feed (clamshell feed) Command Set: ESC/POS Power Adapter: Input AC 100–240 V, 50–60 Hz; Output DC 12 V / 3 A Cash Drawer Output: DC 12 V / 1 A Interface: USB + Bluetooth Line Spacing: 3.75 mm (adjustable via command) Characters per Line: Font A: 32 characters; Font B: 42 characters; Simplified/Traditional Chinese: 16 lines Character Sets: Standard GB18030 simplified and traditional Chinese fonts Character Sizes: - ANK characters, Font A: 1.5 x 3.0 mm (12 × 24 dots) - Font B: 1.1 x 2.1 mm (9 × 17 dots) - Simplified/Traditional Chinese: 3.0 x 3.0 mm (24 × 24 dots) Barcode Support: UPC-A, UPC-E, EAN-13, EAN-8, CODE39, ITF, CODABAR, CODE93, CODE128 Graphics Printing: Supports bitmap download and printing Print Head Life: 50 km (at print density ≤ 12.5) Supported Operating Systems: Android, iOS, Linux, Windows 2000, Windows 2003, Windows XP, Windows 7, Windows 8, Windows 8.1, Windows 10 Package Includes: 1 x Thermal receipt printer 1 x Paper roll 1 x Power cable 1 x USB 2.0 cable 1 x User manual