OEM BlackBerry Mono Hands-free Headset for phones with a 3.5mm hands-free headset/headphone jack lets you talk on the phone without holding the phone. Lightweight and comfortable, the BlackBerry Mono Headset is designed to cut out wind and background noise to ensure great call clarity when you're on the go. The headset features an easy-to-use control button, so you can answer, end or mute phone calls. If you choose to listen to your music with this headset, control button also plays and pauses your music with a single touch and skips with a double-tap. Also initiates voice dialing for phones that support this feature.