The earphones have 10 drivers (speakers) balanced armature: four for mids, four for treble, and two for bass. The design of the earphones is very beautiful, and you can see all ten drivers inside. The sound is very balanced and natural, and it's the best IEM for a balanced and realistic sound. It's very strong in imaging and instrument separation, with an excellent soundstage. It provides a very distinctive experience in music and insane sound separation in gaming. Its sensitivity is 110db and its impedance is 15ohm. Earphone contents: The included cable is silver-plated copper, flexible, braided, doesn't tangle, and doesn't produce rubbing sounds with clothes. 4 types of ear tips in three different sizes, none of which personally suited me except for Tangzu ear tips, which I bought for them and gave me a much better experience. Two sound inputs: 3.5 and 4.4, easily interchangeable. And a leather carrying case. Shipping outside Riyadh is available.