Perfect Design: Ergonomic and ultralight in-ear headphones made of strong noise protection material, reduce outside noise and minimize sound loss and deliver clear sound 【Free Switch】: The headphone cable has a built-in microphone and controller.A multi-function button allows you to answer/end calls, play/pause, skip and play songs with headphones.You don't have to take out the phone.The built-in microphone allows you to make hands-free calls HD Call Control: The wired headphones' built-in HD microphone and internal sound-absorbing holes reduce external noise and ensure call quality and stable transmission.Additionally, the controller is conveniently placed so you can easily control volume, track songs, play music, answer calls, and wake up Siri The headphone cable has a built-in microphone and controller.A multi-function button allows you to answer/end calls, play/pause, skip and play songs with headphones.You don't have to take out the phone.The built-in microphone allows you to make hands-free calls 【Enjoy Service】: Permanent customer service.If you have any questions, please do not hesitate to contact us.You will receive a satisfactory solution from our service team