Hoomia H8 Hybrid Drivers In-Ear Stereo Earphone with Micro Phone Brown Hybrid Dual Driver Design in 8mm + BA(Balanced Armature) Monomers, High Resolution and Well Balanced Sound Quality Throughout Full Range of Audible Frequency Range. Brilliant Performance with all Kind of Music. Hi-Fi acoustic metal coated diaphragm with metal sound chamber, provide high fidelity sound performance PRS(Pressure Relief System) plus medical grade material ear pads soft touch make it comfortable to wear High quality copper wire increase sound effect, flat cable design tangle-free In-line mic phone, won't miss the call while listening music Connectivity technology: wired