The Motorola Boom2 Bluetooth Headset offers exceptional call clarity using dual-microphone Crystal Talk™ noise-cancellation technology. The Boom features 3 unique wearing styles such as in-ear without a hook, in-ear with a hook and over the ear allowing you to choose which option provides you with the most comfort. Easily flip the boom mic open to answer a call and snap close to hang up. With 2 mics and a range of up to 300 feet you will never be too far away to make a hands-free call.