Headset, Headset Style Over the Head, On Ear, One Ear, For Use With 35MC37, 35MC38, 43Y985, 43Y986, 43Y987, 43Y988, 43Y989, 43Y990, 4KYC7, Volume Control No, Push To Talk Yes, Noise Canceling No, Color Black, Features Adjustable Sensitivity Controls, Boom Microphone