Tubo acústico con conector giratorio, codo y auricular en color negro p/microf.Replacement Coil Acoustic Tube is BLACK in color. CLOSE OUT ITEM LIMITED AVAILABILITY Overview High quality Replacement BLACK Coil Tube for Acoustic Tube earphones. Used on standard Pryme models but fits many other brands. This is the tube only. This unit does not include the elbow, bud or connector (these items are available individually or in other kits)