Cy-Fi Wireless Sports Speaker

The Cy-Fi is the "world's first wireless sports speaker." Available in two options iPod ($200) or Bluetooth ($180) and only weighing 4 ounces, the Cy-Fi can attach to practically anything (most common spots being a bike, backpack, stroller, etc). Using Kleer technology no sound quality is lost during the wireless process. Battery life comes in around 6 hours and wireless range is said to be about 30 feet.