A digital music player, headphones and speakers rock 'n' rolled into one. The Sony 3-in1 Walkman WH Series offer the best of all worlds in one stylish and revolutionary wire-free design. Create and personalize your very own sound and let your pals bask in the aural bliss with 20 hours of battery and storage good for up to 4,000 songs. You can even stream straight from your smartphone or tablet too.