Description:With CVC8.0 noise reduction technology, the wired earphone has stereo and heavy bass sound effect. Smart-touch operation is convenient to use. It is comfortable to wear the earphone with ergonomic design.Bluetooth 5.0 chip brings high speed and stable transmission, which has strong ability of anti-interference. Mini compact size Bluetooth earphone is easy to be carried.<span style="color: rgb(0, 0, 0); font-family: "Open Sans", Roboto, Arial, Helvetica, sans-serif, SimSun; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-