Based substantially upon the design of last year's Buddy, SuperTooth's new Crystal ($69) is another visor-mounted speakerphone accessory for iPhone users, sporting some considerable new improvements. Unlike the plasticky Buddy, Crystal's top surface is now brushed metal, with laser-cut buttons and a very unique speaker grille made from increasingly large pill-shaped holes, changes that make the new model feel less entry-level than before. Their back…
