通过蓝牙链接纹绣机，选择纹绣类别，旋转变化档位控制纹绣机。
Connect the embroider machine with blue-tooth, choose a category, rotate the button to operate the machine.
通过蓝牙链接纹绣机，选择纹绣类别，旋转变化档位控制纹绣机。
Connect the embroider machine with blue-tooth, choose a category, rotate the button to operate the machine.