Dynamic micro driver with optimized bass The SE215 is the best in professional Shure in-ear earphones. It outperforms standard handset, the MP3 players accompanied already by far. The dynamic micro drivers provide warm sound with dynamic bass. Suitable both for in-ear monitoring on stage or the MP3 player. Sound Isolating Design Sound Isolating Earphones were originally developed for musicians so that they can be heard on stage even better. With the included ear pieces they block over 90% of ambient noise. You can you concentrate on your music because they protect both before the loud sound on stage at the in-ear monitoring, as well as against disturbing external noise in the subway, on the street or at the gym. At the same time you can significantly reduce the volume and thus protect your hearing. Detachable cable and wire to the ear increased the cable is detachable for easy replacement and contact the plug to rotate. It is wire-reinforced at the ear for a comfortable fit and secure grip. The cable is guided over the ear and adjusted. Kevlar-reinforced, it is particularly durable. The connection between the earphones and cable is via a gold-coated snap-lock mechanism that allows a 360 ?? rotation. Ear malice for individual wearing comfort Because every ear differently BeschaFen is belong to the Fit Kit different foam and silicone ear tips in different sizes. Experiment with sizes and shapes until you are satisfied. A good fit is a prerequisite for a good sound isolation and bass response as well as maximizing comfort during extended wear. Delivery: - Soft Carrying Case - Sound Isolating Ear Cushions: o black foam ear pieces (S, M, L) o silicone ear pieces (S, M, L)