Take off the top part of the Transducer When you want to enjoy a Mood Shot, tak out the XS atomizer Screw your moodshot into the XS atomizer and place it back into the Transducer as a whole Put the top part back on the Transducer and touch power or turn on via your application on your phone Decide the intensity on your Transducer by pressing 1 time for Low; 2 times for Medium; 3 times for High intensity or of course via the application The same steps apply when you want to enjoy the House Blend. The changing step is When you want to use a House Blend, take out the XL atomizer Insert your House Blend into the XL atomizer and place it back into the Transducer