KZ ES4 in Ear Earphones Dual Driver 1BA 1DD Yinyoo KZ IEM Ear Monitor 1 Balanced Armature and 1 Dynamic Drivers KZ HeadphonesBlack with Mic

Feature? KZ earphones KZ ES4 in ear headphones ?Professional division of physical frequency quality tuning technology . ?High-definition call mic, compatible with international standards mobile phone and Noise cancelling microphone ,ensure high quality calls. ?The armature + dynamic unit sound advantage complementary ,give more details of music show . ?Congenital advantage ,the experience is really HIFI! ?Driver performance is tough ,bass bursts are more powerful . ?Aesthetics of metal inspired by metal gears ,creating a delicate metal style . Specification: Model number: KZ ES4 Function: For Internet Bar,for Video Game,For Mobile Phone,HiFi Headphone,Sport,For iPod,Monitor Headphone Control Button: Yes Support APP: No Volume Control: No Plug Type: L Bending Impedance: 25? Sensitivity: 104dB Frequency Response Range: 20-40000Hz Style: Ear Hook With Microphone: Yes Active Noise-Cancellation: Yes Connectors: 3.5mm Model Number: ES4 Line Length: 120+5cm Waterproof: No Communication: Wired Vocalism Principle: Hybrid technology Support Apt-x: No Support Memory Card: No Music Styles: pop rock symphony Package included: ? 1* KZ ES4 earphone ? original packing Please Note: ?Yinyoo have the Formal authorization from KZ company , all products are original.