"Printing Method Dot Matrix Support System Android、Windows Effective Printing Width 66mm Paper Width 75.5±0.5mm Dimension 258mmx158mmx158mm Resolution 42CPL-210(whole dot)/420（half dot） 40CPL-200（whole dot）/400（half dot） Printing Width 42CPL-42（7×7）/35（5×7） 40CPL-40（7×7）/33（5×7） Built-In Font GBK Font: 12*12、16*16、24*24 Buffer Zone Max=828 Chinese Characters, First-In First-Out Cycle Printing Printing Speed 2.1 Line/S Printer Life 9 million Lines9(MCBF), Must use manufacturer designated printing paper and ribbon Printing Content English、Digital、Character、Chinese Data Communication Interface USB 2.0 and Blue Tooth 2.0 http://www.shenzhenmid.com/"