With the POWERBREATHER you're breathing 100% fresh air, you can focus on the rhythm of your swimming and breath as naturally in the water as you on shore. The Ameo POWERBREATHER is a huge benefit for everyone who loves long-distance swimming or free diving. With patented AMEO FRESH AIR SYSTEM only fresh, oxygen-rich air enters your lungs. The POWERBREATHER is ideal for improving your swimming technique and training your lung muscles. It's a snorkel easy in use that can go the underwater beauty to the next level.