To edit the settings of one of your Custom Modes, tap the Modes button on the bottom of the main screen of the app with the temperature dial:​​​​​​

Tap Edit next to the cooling or warming custom mode that you want to update`:

​Select your new wave sensation and/or session duration, then tap Next to confirm (or change) the name and save your settings:

Your Custom Modes will be saved in your Modes menu. You can adjust or delete a saved mode any time by tapping the Edit button next to the mode and selecting the Edit or Delete option:

To use your new Custom Mode, make sure it’s highlighted in the Modes menu, and then tap the “X” button to return to the main screen of the app. Start a session by tapping on the cooling or warming side of the light bar. If you need to adjust the temperature level, you can hold down the - / + side or drag along the temperature dial.