Features:<br /><br />1. Standard 3.5mm earphone plug・ compatible with most of smartphones・ tablet・ and etc.<br />2. High fidelity・ with noise reduction technology・ provide dynamic and pure music for you.<br />3. Ergonomic design・ lightweight・ soft earmuffs・ more comfortable for long-time wearing.<br />4. 1.2M earphone cable・ made by TPE wire・ anti-winding design・ avoid the distortion audio signal transmission.<br />5. Aluminium Alloy shell・ dazzling appearance・ and there are four color for option.Specifications:General Specification  Brand  USAMS  Model  EP-10  Color  White+Gold・ Black+Purple・ Black+Sliver・ Black+Red  Wearing Type  In-ear Cable Length (m)  1.2mTechnical Parameters  Microphone  Yes  Wired Control  Support  Plug Type  3.5mm  Receive Sensitivity  90dB  Impedance  32&amp;Omega;  Frequency Response  20-20kHzPackage  Included: 1* USAMS EP-10 Earphone 1* Manual 2* pair of earmuffs<br /><br />