Features:58mm portable thermal receipt printer, strong compatibility, support BT function or USB cable connection, compatible with Windows 7/10, Android, iOS system. Please download relative APP (For Android system, support caysnprinter Loyverse, BT Print, Kyte, RawBT; For iOS system, support POS-printer, Kyte, Kahero POS, Utak.) or driver on your devices. Compatible ESC/POS print commands.203dpi resolution, support max. 40mm roll diameter, reduce paper change times. Easy to load paper. 57±0.5mm paper width, 48mm effective print width, 80mm/s max.print speed, high efficiency and clear printing.Direct thermal printing, no ink cartridge, environmental protection and money saving. Compared with dot matrix printer, it is smaller and quieter.The built-in 2600mAh rechargeable lithium battery has long standby time and can print continuously for 1 hour with one full charge. Wireless connection, print anytime and anywhere.Portable and lightweight, easy to carry, it doesn't need much space. Widely used in bill printing, post receipt printing, restaurant ordering information printing, shop receipt printing and so on.Specification:Model: JK-5803PColor: White, Black (Optional)Size: 8.2 x 8.7 x 4.2cmWeight: 150x124x66mm/5.9x4.8x2.6inPrinting Method: Line ThermalPrinting Width: 48mmResolution: （8dots/mm，203dpi）Point Per Line: 384 dots/LinePrinting Speed: 50-80mm/SecondPaper Width: 57±0.5mmPaper Roll Dia.: ≤40mm Paper Feed Method: Easy feed (Clameshell feed)Commands: ESC/POSInterface Type: USB, BT2.0+4.0Character: Chinese character (support GBK), International character set, ascii, Bar code, CODE39, EAN13, CODABAR, CODE93, ITF, CODE128, QR code GraphicsPaper Loading Method: Easy Paper LoadingBattery: 2600mAh Lithium Battery Time: About 4hrsDischarging Time: 1hrPackage Size: 15 x 12.4 x 6.6cm/5.9 x 4.8 x 2.6inPackage Weight: 273g/9.6ozNote: 1. Please download the driver via http://www.dgkinkon.com/res/soft/2021/b2b7e8617220caa3.zip2. Suitable for smartphone APP-Loyverse (Retail/Clothing), iREAP(Retail/Inventory), CasierStock(Shopping/Inventory Management), Kyte(Mobile Sales), etc. Please make sure your cellphone is compatible with these softwares.Packing List:1 x Thermal Printer1 x User Manual1 x USB Cable1 x Thermal Paper Roll