Chapter 2: Parameter Details Printing Method: Thermal line printing Print speed: 90mm/sec Reliability TPH Life: 100km Resolution: 203DPI (8dot/mm) Printing Width: 48mm (384dot) Paper Width: 58±01mm Roll Diameter: Ï?â?¤40mm Paper Type: Thermal Paper Power supply (optional): rechargeable lithium battery Battery: Lithium: 7.4VDC/1500mA, Charging mode: DC 9V/1.5A Support the battery display function Print parameters: support to download the Logo trademark Character size: The 384 - point/line The Font A: 12 * 24 points, (wide) 1.5 * 1.5 (high) mm The Font B: 9 *17points, 1.1(wide) * 2.1 (high) mm Jane/traditional: 24 * 24 points, (wide) 3.0 * 3.0 (high) mm Printing Chinese character: Chinese: simplified Chinese 24x24 point. support 18030 font library, support Taiwan and HK traditional(complex font) ANK: ANK characters Extended character table: OEM437/Katakana/OEM850/OEM860/OEM863/OEM865/West Europe/Greek/Hebrew/EastEurope/Iran/WPC1252/OEM866/OEM852/OEM858/IranII/Latvian/Arabic/PT151,1251/OEM747/WPC1257/Vietnam/OEM864/Hebrew/WPC1255/Thai Emulation: ESC/POS/STAR command Interface: standard RS232/USB, Bluetooth 2.0/SPP agreement or infrared/IRCOMM agreement (optional). Features 1). Battery capacity display 2). 57*50mm paper transparent storehouse 3).90mm/s and clear printing. 4).Super power lithium electricity, standby time can reach 5-6 days. 5).Auto sleep, auto awake, power saving. 6).Small size, light weight, reliable performance, simple to connect and easy to use. 7).Support multi languages 8).Low operating costs (no ribbons, ink cartridges) 9).Support QR code and barcode 10).1500mah battery