Experience the freedom, superior sound and discreet style of the award-winning MX500C Cordless Phone Headset from Plantronics. You will appreciate the secure fit, and conveniently located one-touch listening/speaking volume control and mute when juggling multiple tasks at home. Enjoy the lasting comfort of the Flex Grip design. Be heard clearly with the WindSmart microphone designed to reduce fast motion or backyard wind noise. Compatible with headset-ready cordless phones and most mobile phones.