Product Review

Easy to use. Just plug and enjoy your music.
Volume adjustable slide button to control the volume rather than operating your device every time.
Multifunction button with a phone logo.
One click: play / pause music or answer / end calls
Two clicks: next song
Three clicks: previous song
Note: there is a switch below the volume adjust button, which is designed for different devices around the world. The "S" is special for United States.

Compatibility:
Ideal for Apple Devices; Android Smartphones; Windows Phones; Portable Music Players and other devices with 3.5mm port, such as iPhone 6,6s,6 plus, 6s plus, iPad, iPod, Laptops, Tablets and so on.