Product Name: 58mm Portable Mobile Handheld Thermal Receipt Printer with Interface USB/Bluetooth Model NO.: WH-M07 Character Structure: Full-width Characters Printers Max. Paper Size: 58mm Consumable Type: One Cartridge Style: Black and White Network Function: Optional Network Interface Type: RS232/USB/Bluetooth Supply Paper Mode: Automatic and Manual Integration Automatic Two-sided Printing: Not Support Automatic Two-sided Printing Type: Thermal Usage: Barcode Printer, document Printer, Receipt Printer Interface: Bluetooth/USB/Serial RS232 Printing Method: Direct Thermal Line Printing Paper Width: 57mm Outline Dimension: 80mm*46mm*123mm Paper Supplied: