Features: Features small size, light weight, reliable performance, simple connection and easy operation. Using 58mm thermal paper and adopting easy structure of paper loading, convenient to install and change the paper roll, also easy to use and maintain. Support USB interface and BT wireless connection; can be compatible with Android and iOS operate systems.(please download relatie driver on your device before connection.) With thermal transfer component, no ink or ribbon required, print by paper loading; powered by 2000mAh rechargeable lithium battery, stable operation and long time working. The thermal receipt printer applies mobile products to supporting the use, and suits for outdoor work environments, such as mobile police system, tobacco distribution system, utility meter reading, mobile logistics, portable instrumentation, testing equipment, etc. Specifications: Printing Method: direct thermal line printing Speed: 70mm/sec Reliability TPH Life: 100km Resolution: 203DPI (8dot/mm) Printing Width: 48mm (384dot) Paper Type: thermal paper Paper Width: 58±0.1mm Paper Roll Diameter: ≤40mm Paper Thickness: 0.06~0.08mm Power: rechargeable lithium battery (battery included) Battery: 7.4V DC, 2000mAh Charging Mode: DC 5V/2A Print Parameters: support to download the Logo trademark, support barcode print Support Barcode Types: UPC-A / UPC-E / JAN 13 (EAN 13) / JAN 8 (EAN 8) / CODE 39 / ITF / CODABAR / CODE93 / CODE128; Two-dimension Code: QR CODE Character Size: 384 dots/line Font A: 12*24 dots,1.5*3.0mm(W*H) Font B: 9*17 dots, 1.1*2.1mm(W*H) Font C: 9*24 dots, 1.1*3.0mm(W*H) Simplified / Traditional: 24*24 dots, 3.0*3.0mm(W*H) Printing Chinese Character: Chinese: simplified Chinese 24*24 point, support GB18030 font library, support Taiwan and HK traditional (complex font) ANK: ANK characters Language: support for multiple languages (support Traditional, Korean, Japanese, etc. must be instructed before purchased) Extended character table: OEM437/Katakana/OEM850/OEM860/OEM863/OEM865/West Europe/Greek/Hebrew/EastEurope/Iran/WPC1252/OEM866/OEM852/OEM858/Iran/Latvian/Arabic/PT1511251/OEM747/WPC1257/Vietnam/OEM864/Hebrew/WPC1255/Thai Print Comand: ESC/POS command Interface: USB / BT 4.0 Compatible OS: Windows Systems; Android & IOS Operate Systems Working Temperature: -10~50 Working Humiditu: 10~90% Printer Size: 11.2 * 8.2 * 5cm / 4.41 * 3.23 * 1.97in Printer Weight: 262g / 9.24oz Package Size: 18 * 11.5 * 6.2cm / 7.09 * 4.53 * 2.44in Package Weight: 429g / 15.13oz Note: Driver installation link for Android/Windows: https://s3-uswest 2.amazonaws.com/tomtopdownload/drive/windows/POS+Printer+Driver+Setup+.exe Driver installation link for iOS Device: Download "PrinterV1.0" at "APP Store" Remove the battery power block sticker before you use it. Package List: 1 * printer with battery 1 * user manual (English) 1 * USB cable 1 * adapter (US plug) 1 * paper roll