Features:<br> 1. Easy to enjoy the rock music.<br> 2. Compatible with: Mobile Phones\/ computers\/ mp3\/ mp4\/ tablet PC.<br> 3. Unique patented tuning technology design， micro-8MM dynamic unit.<br> 4. DIY headset latest cattle products， sports dynamic in-ear headphones.<br> 5. This In Ear Headphone is made of double magnetic pronunciation unit 8 mm.<br> 6. With professional equipment，It is easy to capture the Bass and other low-level.<br> Specifications:<br>          General Specification             Brand         KZ             Model         ZS1             Color         Black             Cable Length         1.2m&amp;plusmn;3cm             Wearing Type         In-ear              Microphone         Yes           Technical Parameters             Connectivity         Wired control             Conectivity Interface         3.5mm Gilded             Plug Type         L curved             Driver Unit         Double unit(8mm midrange\/woofer+6.8mm tweeter)             Receive Sensitivity         98dB&amp;plusmn;2dB             Impedance         16&amp;Omega;             Frequency Response         15-29000Hz             Wire core material         6N OFC             Shell material         ABS+UV            Wire material         TPE   <br> Package  Included:<br>                   1x KZ ZS1 Dual Dynamic Unit Earphone             1x Earmuffs