Features Drop in paper loading, easy operation; Thermal Paper: width 80mm, diameter 50mm, thickness 0.06~0.08mm; Lithium battery: 2200mAh/7.4V, 7days standby time; Power adapter: 9V-1A, AC100-220V; Low-power mechanism; USB+Bluetooth port, support Android and iOS and Windows system; ESC/POS commands; Support 1D barcode, QR barcode; Support virtual serial port. Specification Print method Direct thermal line Dot density 576dot/line Print width 72mm Resolution 203DPI Print speed 60mm/s (Max) Interface USB+Bluetooth3.0/BLE4.0 (Standard) USB+WiFi (Optional) Paper width 80mm Paper diameter 500.5mm Paper thickness 0.060.08mm Print commands Compatible with ESC/POS Fonts GB18030, Big5, Korean Character Size ANK Font: FontA: 12*24dots FontB: 9*17dots Simplified/Traditional Chinese Character, Korean: 24*24dots Barcode mode UPC-AUPC-EAN(JAN)13EAN(JAN)8CODE39 CODABARITFCODE93CODE128, QR Code Code page PC437, Katakana, PC850, PC860, PC863, PC865, West Europe, Greek, Hebrew, East Europe, Iran, WPC1252, PC866, PC852, PC858, IranII, Latvian, Arabic, PT151,1251, PC747, Vietnam, Uygur, Thai Command Compatible with ESC/POS Dimension 131*107*58mm Weight (including battery) 350g Power adaptor input: AC100-220V output: DC9V/1A Lithium battery 2200mAh/7.4V Charge period 3.0~5.0h Work environment Temperature: -550, Humidity: 1090% Storage environment Temperature: -2050, Humidity: 1090% Drop resistance 1.2m Mechanism 50KM Environment Android, iOS, (Win9X/Win ME/Win2000/WinNT/WinXP, WinVista, Windows 7/8/8.1/10, Linux) Paper supply method Drop-in paper load Accessories protective case, vehicle charger.