Features:Earbuds provide clear, top studio-quality performance HiFi- sound music . High quality material through high temperature- molding.Simple and stylish- Earbuds with built-in microphone(optional); Dual-magnetic circuit dual-cavity 10mm dynamic unit for wide sound field.Poineered electronics frequency modulation technology, more accurate,lower loss of sound quantity.Great for gaming smartphones, Pad, MP3 players, music speaker, and most other interface- devices with 3.5mm headphone socket. Specifications:Headphone Type: in-ear HeadphonesHeadphone Output Audio- Source: HiFi Material: Metal Alloy+OFC Oxygen-free Copper WireModel: 3.5mm KZ-ZVX Wired- Earbuds Type: Standard / with Microphone (Optional)Color: Black/SilverPlug-Diameter: 3.5mmFrequency Range:approx 20Hz-40KhzColor: as picturesCable Length:approx 120cm/47.24in Note:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors-, the picture may not reflect the actual color of the item. Thank you Package includes:1PCx In-ear Headset