Thermal Receipt Printer XP-P501A: Brand :Xprinter Model:XP-P501A Printing method : Direct thermal Resolution:203 DPI Line spacing : 3.75mm (Adjustable by commands) Print width:48 mm Max. Print speed :Max.70 mm/s Paper width :58 mm Paper roll diameter:40 mm Interfaces : USB+Bluetooth Systems : Windows/Android/iOS/Mac/Linux