Description:<br />the headset is compatible with most 3.5Mm jack electronics and is easy to carry and use. Ergonomic design, easy to drop when wearing, stable transmission. Skin-friendly material for comfortable wearing.<Br/>features:<br />[compatibility]<br />3.5Mm plug, compatible with most 3.5Mm round hole jack electronic equipment. Notebook, mobile phone, mp3, etc.<Br />[composite diaphragm] <br />presents clear bass sound. With microphone, it can realize basic functions of making phone calls and voice and video chat.<Br />[hanging ear type] <br />hanging ear type wearing style, more stable wearing, can not shake off. Exercise can also be used.<Br />[high-quality material]<br />the headphone cable is made of tpe &#43; tpu, which is not easy to knot, not easy to tear, and the wire is soft and tough.<Br />[comfortable to wear] <br />ergonomic design, fit the ear structure, more comfortable to wear.<Br/>specifications:<br />earphone type: in-ear, hanging ear<br />color: black, red (optional)<br />communication: wired<br />material: environmental protection tpu &#43; tpe<br />with microphone: yes<br />cord length: about 120cm<br />earphone sensitivity: 108db<br />frequency range: 20-35000hz<br />speaker impedance: 16ω<br />package size: approx. 10 * 5 * 2Cm / 3.94 * 1.97 * 0.79In<br />package weight: approx. 50G / 1.76Oz<br/>package list:<br />1 * earphone