Apple's Beats brand in April unveiled the Powerbeats Pro, a redesigned wire-free version of its popular fitness-oriented Powerbeats earbuds.
Touchscreen Video iPod Delayed?
Sources speaking on condition of anonymity say issues emerged with the technology that have sent Apple and the display's manufacturer back to the drawing board to find a solution.
As a result, the final release date for the product remains uncertain, however, it is still expected by to be release in time for the 2006 holiday season.
As previously reported, the video iPod is expected to be launched alongside a movie-download service for iTunes. Apple is said to still be in negotiations about licensing content for this service.