iHome and New Balance have announced a partnership that will see the two companies launch a line of New Balance-branded sport earphones and headphones. The lineup will include the NB439, which is a 2-in-1 sport earbud with removable ear hooks for added stability, interchangeable colored accent caps, and in-line volume controls; it will sell for $35. The NB447 is a pair of foldable sport headphones featuring interchangeable cord lengths and an in-lineā¦