<br><b>1.Exclusive colorful housing by acoustic resin material</b> <br>KZ ZST HIFI headset with enhance the sound quality and exterior again the hybrid technology <br> <br><b>2.Professional division of physical frequency quality tuning technology</b> <br><b>3.The standard of independent patent technology silicon tips</b> <br><b>4.The lower the internal resistance of professional wire , The design of human nature</b> <br> <br><b>5.The armature + dynamic unit sound advantage complementary ,give more details of music show</b> <br><b>6.congenital advantage ,the experience is really HIFI!</b> <br><b>7.Driver performance is tough ,bass bursts are more powerful</b> <br> <br> <br> <br> <br> <br><b>Features:</b> <br>Model Number: KZ ZST <br>Driver unit: Dynamic and banlance armature <br>Driver Diameter:10mm dynamic <br>Impedance: 18ohm <br>Sensitivity: 106dB/mW <br>Frequency Response: 20Hz-20000Hz <br>Length:120cm±2cm <br>plug:3.5mm L plug <br>pin diameter:0.75mm <br>With or without mic:with mic/without mic <br>Package include: <br>kz zst earphones*1 pair <br>silicone eartips*3 pair(S/M/L)(one pair is on the earphones) <br>kz original packing <br> <br>Notice: <br> <br>Yinyoo Audio have the Formal authorization from KZ company , <br>all products are original. <br>Please feel free to order at Yinyoo Audio Store.