1.Ear earphones, soft breathable sponge cover, no pain, wear comfort, adult children general, protect hearing, comprehensive compatibility, <br>2.comfortable and comfortable steady movement without fear of falling off. Custom opper ring shock yours hearing.Focus on sound quality -overweight bass. <br>3.According to the human body comfortable multiple test design, make your ear sound return to nature. <br>4.The main wire copper core high elastic wire is not deformed, and the wire length is 1.2m. Headphone diameter; 4 cm (1.57 inches). <br>5.It is suitable for IOS and Android, with built-in high fidelity microphone, which supports playing, answering and volume adjusting functions. <br>6.The standard 3.5mm plug is fully covered and can be compatible with smart phones, tablets, desktop computers and other electronic products.