The Jawbone ICON THINKER is the smartest, most comfortable, and smallest Jawbone ever created. It has a dedicated on/off switch, and it comes with several ear-fit options. The Jawbone ICON boasts amazing sound quality and excellent canceling of wind noise, so your voice can be heard clearly in nearly all environments. It has many advanced features, including an iPhone battery meter, where your remaining battery life is displayed on your iPhone's status bar. And, audio tones helpfully whisper important information, like remaining battery life and caller ID, into your ear. All in all, the Aliph Jawbone Icon is attractive and affordable with great call quality and advanced features.