This is an extremely advanced Blue tooth Headset. Firstly, it looks awesome. The Motor Trend Max 4 has got an Over-the-Head design with the Mic fitting comfortably on both ears. With this baby on, you’re a walking talking high-tech human! Here's what the Motor Trend Max 4 gives you. Wireless calling, Voice activated dialing, Call waiting and 3-Way Calling! It's lightweight and perfectly balanced. The Motor Trend Max 4 is also compatible with most Blue tooth enabled phones. Enjoy thirty feet of wireless range to connect with paired blue tooth devices. What about all that racket and deafening noise that accompanies you whenever you need to make a call, whether it is the highway, airport or bus? The Motor Trend 4 is equipped with groundbreaking Extreme Noise Canceling technology, which will block out external noise! In fact, the Motor Trend 4 cancels out outside sounds, 4 times more that other blue tooth headsets.