Despite the fact that they could not explain the phenomenon, they concluded that it would be wrong, unfair and unjust to proceed with any of the other six positive tests or continue investigations into the other 36 elevated levels.

BBC: SPORT | Tennis | Greg Rusedski statement in full

The problem -- but also part of the cool factor, don't get us wrong -- is that the Jambox's audio is a very localized, directional phenomenon.

ENGADGET: Jawbone Jambox review