3.5mm Audio Jack Universal Solid Sound Wired Single Earphone with Volume Control Mic -Great for Drivers With Volume Control function.Built in high quality Mic guarantees high fidelity of sound. Compatible with Samsung Galaxy S6/S5/S4,HTC M9/M8/M7 and other Android devices with a 3.5mm jack. Just stick the earphone to your ear to answer phone call with your hands free and without being distracted from driving which could be really dangerous. The comfortable earpone allows you to use it for hours on end, and the discreet microphone on the cord ensures that your voice is heard loud and clear. High-quality microphone on the lead for accepting calls while listening to music and Built-in Microphone featured noise reduction.