Polk Audio 500: Your perfect companion for an active lifestyle. With its secure and comfortable fit, you can enjoy your favorite tunes without worrying about them falling out. The high-quality sound will make you feel like you're right there in the middle of the action. And with its water-resistant design, you can take them anywhere, even on your sweatiest workouts. Whether you're running, biking, or just hanging out, Polk Audio 500 has you covered.