QLn420 - 4" Mobile Direct Thermal Label and Receipt Printer - 203 dpi - 8 dot/mm - Max Print Width: 112mm - Max Print Speed: 102 mm/s (4 ips) - Liner-less - USB 2.0, Serial, Bluetooth 3.0, 802.11a/b/g/n - LCD Display - 128 MB RAM / 256 MB Flash - Label Present Sensor - CPCL, EPL and ZPL Programming Languages - MFi certification - includes Battery, Shoulder Strap, Belt Clip, User Manual and Accessories CD