Bone’s iPhone amplifier doesn’t look like much, but it’s hard to argue with results. This small piece of silicone adds 13 decibels to your iPhone without draining any power from your phone.
The horn doubles as a stand so you can easily watch videos on your iPhone. All you do is slip the bone onto the bottom of your iPhone and play.
Here’s a video of Bone’s iPhone amplifier.
You can read more about CES 2011 here.