WSCSR Bluetooth Wireless Headset Ear Hooks Earphones Noise Cancelling In-ear Earbuds With Mic for iPhone and Android

Color:black Multi-Function Button The X16 Bluetooth headphone control system is a very simple design. Just one button controls everything. The single button controls power on/off and volume up/down. The same button controls the Bluetooth connection with your devices. Play and pause music by clicking the button one time.
A quick double click will dial your phone