A151 balanced armature earphone - Best sounding in-ear headphone under $100 according to cnet's Audiophiliac, Steve Guttenberg. Amazing accuracy for the price while not sacrificing bass response; Balanced armature drivers for accurate sound; Over-the-ear design with with angled fit for long term comfort; Ultra-Twisted cable has low microphonics (cable noise from the cable rubbing against clothes) to go with a great look and feel; In-ear design provides passive noise cancellation; Includes 5 sets of ear tips and a zipper carrying case; Black with chrome accents.