Details: Your Space. Your Sound With Active Noise Cancellation. Experience your own space filled only with your sound. Active Noise Cancellation technology creates an unprecedented sound experience, and Jabra SUPREME is the first Bluetooth mono headset to allow you to enjoy this exceptional feature. It works by actively reducing the background noise, enhancing your listening experience during a call. Jabra SUPREME features the latest audio enhancement technology, delivering powerful sound through its 24mm speaker. With HD Voice the sound comes through clearly and naturally. Wind-noise reduction technology makes calling in windy weather conditions smooth and hassle-free. These brilliant sound features enrich every conversation. Jabra SUPREME unites design and usability with its patented Flip-Boom arm. Simply unfold the arm to switch ON and fold to switch OFF. When not in use, it folds to pocket size for easy storing. Jabra SUPREME also delivers custom comfort for all ears, by letting you adjust the headset to achieve the best fit and placement according to your needs. It includes two interchangeable soft ear cushions, to suit every ear shape. Its bendable ear hook is easily adjustable and its on-the-ear shape sits securely in place ensuring maximum comfort for all day usage. This revolutionary headset includes convenient features such as Voice Guidance and Voice Control, making it effortless to benefit from hands-free conversations. Jabra SUPREME also gives you access to all your favorite media with A2DP, which streams it effortlessly to your headset. Supreme sound and supreme comfort everything you need in one superior device.