This lightweight and comfortable BlackBerry Handfree Headset and Dual Stero Earphones is perfect for all devices that have a 3.5mm port. This enables you to carry on conversations while you listen to your favorite music. The in line one-touch button answers and ends calls as well as initiates Voice Activated Dialing. The headset features easy to use control button, so you can answer, end or mute phone calls and pause or play music, all with a singe touch.