In-Ear Headphones - Universal - 3.5mm Wired In-Ear Headphone Highlights Universal 3.5mm Wired In-Ear Headphone 3.5mm Built-in Headphone Product is shipped based on color or color the size of the main product page image. Features: * In-ear headphone with 10mm drive unit provides natural clear sound, born for music. * Noise isolating in-ear design blocks noise to help you focus on listening pleasure. * In-line control allows easy control of phone calls and music. With MIC, it supports hands-free call. * The 3.5mm headphone is suitable for smart phone, tablet PC, laptop, MP3 and other 3.5mm audio devices for your lover. Specifications: Model Number: 520Material: metal+tpedrive Diameter: 10mmsensitivity: 1033dbimpedance: 1610%Frequency response: 20Hz-20KHzplug: 3.5mmcolor: black, red (optional) Cord length: approx.1.2m/ 3.93 Head Head Weight: 13g / 0.47ozpackage Size: approx. 9.1*7.0*3.1cm / 3.58*2.75*1.22package Weight: 35G / 1.25ozpacking List: 1*3 .5mm Headphone2 * Pairs of earecap1 * English User Manual