Listen to music during the workout! 1 year limited warranty. Ergonomic design for water-based activities. Up to 9 hours play time on full charge. Waterproof down to 3 meters. Floats in the water. Supports MP3 & WMA files. 1GB built-in memory. Includes: ear buds, extension cable, waterproof earphone, USB cable, Software Manual CD. Save 250 to 500 songs. Use it in the pool, on the slope, in the spa, at the gym, on the go, at the beach, on the boat.