The convertible Duoset® headsets features flexibility for the busy office professional to choose from two headset configurations - Over-The-Head stability headset & the Over-The-Ear convenience headset. The Duoset headsets include Plantronics' patent SoundGuard Plus® and Call Clarity® for superior sound quality, flexible voice tube, adjustable clothing clip & lightweight comfort (14g). Backed by manufacturer's 1 year Plantronics warranty. Available in both standard and noise canceling models (H141N).