Features: 1. Easy to enjoy the rock music. 2. Compatible with: Mobile Phones/ computers/ mp3/ mp4/ tablet PC. 3. Unique patented tuning technology design, micro-8MM dynamic unit. 4. DIY headset latest cattle products, sports dynamic in-ear headphones. 5. This In Ear Headphone is made of double magnetic pronunciation unit 8 mm. 6. With professional equipment,It is easy to capture the Bass and other low-level. Specifications: General Specification Brand KZ Model ZS1 Color Black Cable Length 1.2m3cm 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 98dB2dB Impedance 16 Frequency Response 15-29000Hz Wire core material 6N OFC Shell material ABS+UV Wire material TPE Package Included: 1x KZ ZS1 Dual Dynamic Unit Earphone 1x Earmuffs