PSB M4U-4 BLK M4U 4 High Definition in-Ear Monitors Headphones Black Two-way hybrid dual-driver design with moving Coil dynamic low frequency driver, balanced Armature high frequency driver and precision crossover network Made-for-iPhone Certified Two tangle-free, detachable cables, one with in-line remote, microphone, and telephone controls 1/4 stereo and 1/8 dual input Flight adaptors Comes with small, medium and large Comply foam() tx-200 ear tips with wax guard, plus convenient protective travel case with carabineer travel clip