They actually don’t have different ones. They just come in different colors.

The current device is called the Wave 2. It’s been around for a couple years now.

To set the device for the best configuration
Click the bottom left Feel button, scroll down to hot flashes and click it. Scroll down the hot flash cooler five click it, click on “hot flash cooler five” and hit start session. Click the Now round button where you hit start and it will stop the session. Now go back to the main feel screen. Hot flash cooler 5 Should be first in the list, hit the three dots in the right corner, Click on edit and make the temperature level maximum a five. Hit. Save Session. Want to repeat this for all night cool. Click the bottom left Feel button, scroll down to hot flashes and click it Pick all night cool, set The number of hours you want And start it. Then stop it and go back to the main feel screen all night cool Should be the first thing listed. Click the three dots select edit put the cooling on maximum all over to five and hit save session.

Now You have to set the buttons for what you want. To do that you go to settings/session presets. Click on “dotted button” and pick the hot flash five minute. It will probably be second in the list. Select it and hit OK.
Click blank button And select all night cool. Hit ok. DONE!

You now are configured hit the button with the raised dot two times and it will give you five minutes of cooling. Try hitting it the moment you start to feel the hot flash. It will come on a little bit and then will not get so intense.. When you’re ready to go to bed, double click the blank button and it will send cold waves. Occasionally you won’t even notice it at night, but it should stop flashes.

You can always reduce the cooling by following the above instructions.