Polk Audio BOOM Swimmer Bluetooth Speaker - Retail Packaging - Green The Swimmer is IPX7 Rated, meaning it can be immersed in 3 feet of water for 30 minutes when either attachment is secured on. Feel free to take it with you in the pool, the ocean, or even the shower. Soak it. Bring music with you hiking, biking, and hunting or on any adventure. The Swimmer is completely sealed which keeps dust, dirt and sand out and keeps your tunes playing. Accidents happen, things slip, or you take a slam. The Swimmer was built to exceed stringent shock specifications. Drop it.