Product instructions: Click to answer the phone or press twice to switch the next song or press three to switch the previous song.
You connect the 4 elbow to the phone, you can use the microphone and cut song function.

弹性的弯头设计、使得连接更紧密、并且节约位置、更适合放在小空间的位置、不会像直头那样突出、易断裂、带钢丝圈的保护、则更加的耐用了。

弯头接口连接手机即可正常使用了。