The most important thing if you are going to use a Bluetooth headset is the sound it produces. If a headset sounds like you are speaking on a headset it isn't something you will want to use and it certainly isn't worth the investment.
Stylish; Excellent audio quality; Charger makes for a total of ten hours of use per charge; Works with Google Now and Siri; Unobtrusive; Comfortable
Designed for the right ear; No boom to bring the microphone close to your mouth; One anchor point only and that is the fit to your ear; No tactile buttons