Features: Portable Desktop Thermal Receipt Printer: 58mm paper width, 48mm print width, 60mm/s print speed, 203dpi resolution. Clear printing quality and reliable performance. Wide Application Range: Compatible with ESC/POS command set. Suitable for use in supermarkets, restaurants, retail stores, tax offices, banks, postal services, and more. Dual Connectivity: Supports USB and Bluetooth connections. Compatible with various printing applications such as Loyverse, iREAP, CasierStock, Kyte, and other mobile POS apps. Eco-Friendly Printing: Uses thermal print technology with no need for ink cartridges or ribbons. Delivers clear prints with low operating costs. Thermal paper is widely available. Broad System Compatibility: Supports Linux, Windows 2000, Windows XP, Windows 7, Windows 8, Windows 8.1, and Windows 10. Easy driver installation. Advanced Printing Capabilities: Capable of printing multiple world languages, logos, graphics, and barcodes including UPC-A, UPC-E, EAN13, EAN8, CODE39, ITF, CODABAR, CODE93, and CODE128. Specification: Model: JK-5801H Color: Blue Dimensions: 180 x 130 x 110mm Product Weight: 492g Printing Method: Thermal Line Printing Width: 48mm Resolution: 384 dots per line (8 dots/mm, 203dpi) Printing Speed: 60mm per second Paper Width: 57±0.5mm Roll Diameter: Up to 60mm Paper Feed Method: Clamshell easy feed Command Language: ESC/POS Power Adapter: Input: AC 100V-240V, 50-60Hz; Output: DC 12V/3A Cash Drawer Output: DC 12V/1A Interface Type: USB + Bluetooth Line Spacing: 3.75mm (adjustable via command) Characters Per Line: Font A: 32 characters; Font B: 42 characters; Simplified/Traditional Chinese: 16 lines Character Set: GB18030 standard for Simplified and Traditional Chinese Character Size: ANK Font A: 1.5x3.0mm (12×24 dots); Font B: 1.1x2.1mm (9×17 dots); Chinese: 3.0x3.0mm (24×24 dots) Extended Character Support: PC437, Katakana, PC850, PC860, PC863, PC865, Western Europe, Greek, Hebrew, Eastern Europe, Iran, WPC1252, PC866, PC852, PC858, Iran II, Latvian, Arabic, PT151, PC737, WPC, Thai, Vietnam, PC864, PC1001, and others Barcode Types: UPC-A, UPC-E, EAN13, EAN8, CODE39, ITF, CODABAR, CODE93, CODE128 Graphics Printing: Supports bitmap download and printing Print Head Life: 50km (at print density ≤12.5%) Supported Drivers: Android, iOS, Linux, Windows 2000, XP, 7, 8, 8.1, 10 Package Weight: 740g Package Dimensions: 18.5 x 14 x 14cm Note: Compatible with smartphone apps including Loyverse, iREAP, CasierStock, Kyte, and similar POS applications. Ensure your mobile device supports these apps before use. Packing List: 1 x Thermal Receipt Printer 1 x Paper Roll 1 x Power Cable 1 x USB 2.0 Cable 1 x User Manual