Infosync World have published their review of the the second-generation iPod Shuffle music player. 'The second generation Apple iPod Shuffle is one of the most wearable devices we've ever used. It is literally a clip with a music player attached, and the clip grabs onto clothing securely, but even if it falls off and dangles from your headphone cord, the Shuffle is so light that you might not even notice it. If you stick with Apple's included headphones, you're not going to be able to pocket the shuffle because the headphone cable is too short to reach even a jacket pocket, which means you'll be forced to find a convenient spot to clip it.
Read: Apple iPod Shuffle (2G) - Infosync