Griffin's Bluetooth adapter is early bet on iPhone 7 removing headphone jack

Apple isn't letting any secrets slip before its Sept. 7 event, but a move by one major accessories maker hints that we may indeed see the end of the iPhone 7's headphone jack.  SEE ALSO: Apple sends out invites to iPhone 7 launch event Although no official announcement has been made about Apple doing away with the headphone jack, Griffin has decided to begin offering an accessory designed to make the potential transition less painful.  The iTrip Clip is a headphone adapter that uses Bl