These high-fidelity, wired in-ear earbuds from XYST™ come with an in-line remote for conveniently answering/ending calls and pausing/playing tracks. These earbuds are ergonomically designed for maximum comfort. And with the high-fidelity microphone, your outgoing conversations will be clear. The power button lets you answer, hang up, play, pause, next, previous song without picking up the connected phone, making it easier to use. And you can quickly access the volume control with the plus/minus switch. These White earphones are compatible with most devices with a 3.5-mm earbud jack, such as MP3 players and many other devices such as smartphones, notebooks, laptops, etc. with a 3.5-mm audio output.