①；It is suitable for IOS and Android, with built-in high fidelity microphone, which supports playing, answering and volume adjusting functions. ②：Enjoy the bass beat sound of ear-clip headphones that designed for comfort, stability and performance. ③：Custom copper ring shock yours hearing.Focus on sound quality -overweight bass. ④：The main line is non-oxidized copper core high elastic wire material not deformation, wire length ；1.2m。Headphone diameter; 4 cm (1.57 inch) ⑤：The standard Type-C plug has full coverage and is compatible with electronic products such as smartphones, tablets, and desktops