ION Audio Blocker Rocker is ready for rocking your party, all your mates can bring their own CDs, iPod & MP3 player to share the music. This Blocker Rocker has the input for MP3 player, CD player, microphones & a universal dock for the iPod. It is portable, to easy to carry & no cables tangled up. This thing is powered by a long-lasting rechargeable battery. Price of Audio Blocker Rocker is $300 USD.