Not sure. Does not come with instructions on how to use it. I’ve had to watch complicated you tube videos, but still don’t understand how the machine is supposed to workUna buena inversión, calidad, precio u cumple su funciónLOVE this machineOnly had it for a four months didn’t use it yet and would like to start but not working.I ordered this device almost two months ago, and I received 3 weeks ago, they told came from China.I have been use it only may be three times, now last night suddenly stopped to work.The qulity so bad, and not worth the money.I need a solution.The screen no longer turns on and it doesnt work