KZ HDS1 Miniature 3.5mm In-ear Earphone HIFI Wire Headphone Metal Bass Stereo Dynamic Headset with Mic<br>Features: <br>Equipped with high-definition moving coil pronunciation unit.Drive unit diameter up to 3\/5 of whole diaphragm，which can give off high-definition stereo sound.Precision manufacturing technology.Model: KZ HDS1Drive unit: 6mmImpedance: 16&amp;Omega;Sound theory: dynamic moving coilDiaphragm type: double layer compoundQC standard: CNASL1454Cable length: 1.2m<br>Package Included: <br>1 x KZ HDS1 3.5mm In-ear Headset