There is no Manual to ship together with the machine, it is very important for you to read below manual when you try to use it :
<br />1. load 2 AAA batteries into controller
<br />2. connect the four pads to controller
<br />3. stick the four pads to skin, when you use only 2 pads, the 2 pads must be from different channels.
<br />4. press \