SONY WALKMAN NWZ-A15
Weighing in at just 66g, and measuring
just 43.6 x 109 x 8.7mm, the Sony NWZ-A15 is the world’s smallest High Resolution Audio palyer, and it comes chock full of features. A microSD slot allows you to easily add to the 16G of inbuilt storage capactiy, while the on-board
battery will give you 30 hours of HRA playback and 50 hours of mp3 playback -
plenty to get you through the day.