Over-the-head option for long-term comfort and stability; over-the-ear option for quick on/off and unobtrusive usage. Three different sized earhooks, an adjustable over-the-head headband, and the option of usage on either ear. Lightweight comfort (14g). Clear adjustable voice tube. Supports SoundGuard Plus and Call Clarity technologies for superior sound. Quick Disconnect feature. Adjustable clothing clip.