more cost and bring more using value for user.标准USB接口，数据传输更稳定。也可直接接U盘输出。The standard USB connection, the data transmission is stabler. Meanwhile, with the U Flash Memory can used for output directly内置闭合补偿、尖角补偿，可直接兼容Coreldraw、CAD等软件输出切割。Built-inside closed compensation, acute-angle compensation, which canbe used directly from Coreldraw, CAD or other design software.中英文液晶高量底背光显示，中英文可自主切换，操作更简单。The LED display with light ba