Model Number B11 Brand NameïJINGCHEN StyleïBlack And White Printing MethodïThermal printing Print Speedï30mm/s Max Resolutionï203dpi InterfaceïWireless USB+Bluetooth+NFC Batteryï1500mAh Paper widthï10-50mm Products StatusïStock ApplicationïOffice, store, supermarket, hospital Weightï255g (including battery, not including paper scroll) Warrantyï12 Months