Powerbeats2 Wireless look a lot like their predecessor, although more refined and modern — that said, they resemble many other sport earphones, and are nowhere near as distinctive as Solo2 or other Beats designs. On each side, there’s a 1.27” long, 0.58” tall matte plastic module, with the rubber ear hook extending up from one end, and the earbud housing protruding out from the other. Power is controlled by a soft button on top…