Features: Portable desktop thermal receipt printer, 57mm paper width, 48mm print width, 60-80mm/s print speed, 203dpi resolution. Clear printing quality and reliable performance. Easy to operate, USB and BT connecting and the printer compatible with iOS, Android, Windows system, Please download relative APP or driver on your devices. Adopting thermal print head, no need of ink cartridges or ribbons, clear printing, low operation cost, thermal paper is easy to buy. Compatible with ESC/POS instruction set. Can be widely used in supermarket, restaurant, retail store, tax, bank, post, etc. Support download and print logo & graphics. And support print various barcode types (UPC-A/UPC-E/JAN13（EAN13）/JAN8（EAN8）/CODE39/ITF/CODABAR/CODE93/CODE128, QR code). Specification: Model: pt-58 Color: Black & Blue Size: 15.2 x 11.2 x 8.6cm/5.9 x 4.4 x 3.3in Weight: 311g/11oz Printing Way: Thermal Sensitive Line Dot Method Valid Printing Width: 48mm Dot/line: 384dots Printing speed: 60-80mm/sec Paper Width: 57±0.5mm Printing Command: ESC/POS compatible with commands set Printing Content: Support Any Language Barcode Type: UPC-A/UPC-E/JAN13（EAN13）/JAN8（EAN8）/CODE39/ITF/CODABAR/CODE93/CODE128 Two Dimensional Code: QR CODE Interface: USB&BT Power: DC 12V/2.6A Working Environmental: T: 0～45℃, humidity: 10～80% Storage Environment: T: -10～60℃, humidity: 10～90% Package Size: 16 x 12 x 10cm/6.2 x 4.7 x 4in Package Weight: 466g/16.4oz Note: 1. 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. 2. If the APP is connected to an IOS system phone, please enter the Bt connection from the APP. The Android phones can connect directly to BT function. Packing List: 1 x Printer 1 x Thermal Paper Roll 1 x USB Cable 1 x Power Adapter 1 x User Manual