58mm Bluetooth Pos Receipt Thermal Printer - More Reliable Performance

- Print speed: 90mm / sec - Resolution: 8 dots / mm ( 203DPI ) - Print font: A 12 x 24 / B 9 x 17 / Chinese 24 x 24 ( dots ) - Character size: 1.5 x 3.0mm ( W x H ) / 1.1 x 2.1mm ( W x H ) / 3.0 x 3.0mm ( W x H ) - Paper dimensions: 58.0 + / - 0.1mm x diameter 40.0mm - Paper thickness: 0.06 to 0.08mm - Character size: 384 dots / line - Interface: USB, RS-232, Bluetooth 4.0, SPP agreement or IR, IRCOMM agreement ( optional ), Android up to 4.0 operation system - Power adapter: 9V DC / 1.5A