Star Micronics 39630810 SM-S220i-DB40 Direct Thermal Printer - Monochrome - Portable - Receipt Print - 1.89" Print Width - 3.15 in/s Mono - 203 dpi - Bluetooth - Serial - Battery Included - LCD Star Micronics 39630810 SM-S220i-DB40 Direct Thermal Printer - Monochrome - Portable - Receipt Print - 1.89" Print Width - 3.15 in/s Mono - 203 dpi - Bluetooth - Serial - Battery Included - LCD