The Solid Bass in-ear headphones include an in-line mic and controller for answering calls and controlling music/video playback. Dual phase push-pull drivers (12.5 mm x 2) deliver full-range Hi-Res Audio with deep, rich bass and crystal-clear high frequencies. Specially designed Dual Bass Venting System provides excellent air damping. Detachable cable with separate star-quad twisted pairs for L/R channels and new A2DC connectors. Includes eartips (XS/S/M/L) and carrying case.