Add an inspiring soundtrack to your workout with the wearable W Series Walkman MP3 player. Its streamlined, one-piece construction and water-resistant design is ideal for activities that work up a sweat. And with true-to-life sound and deep bass, this all-in-one solution delivers the audio quality that you expect from Sony. What's more, it features a convenient, three-minute quick charge that offers up to 90 minutes of battery life (up to 11 hours with full charge).