Flee from dogs without having to worry about tangled wires with the Wearable Walkman from Sony. The Sony Walkman NWZ-W202 ($70) music player features a cord-free, wearable design, perfect for listening to your tunes while training. It can hold up to 2GB of of music files (MP3/AAA/WMA/L-PCM/WMT) and play uninterrupted for 12 hours.