Jawbone Era Shadowbox Bluetooth Headset NoiseAssassin 3.0. Sound Great and Hear well in any environment. NoiseAssassin 3.0 kills more noise than any other headset and now auto-adjusts inbound call volume to the noise around you HD AUDIO Your music, video and calls have never sounded better. Listen to all your favorite audio in sterling, full-spectrum sound via wideband speaker. Motion. First headset with a built in accelerometer and patented MotionX technology. TapTap or ShakeShake to magically answer calls, pair and more. APPS. Add new features like Caller ID by Name or change the voice that whispers in your ear. You can also send voice messages to friends and groups with the Jawbone THOUGHTS App. Jawbone ERA get better with time. MYTALK is a great way to get the most from your Jawbone ERA. Personalize your headset with the latest features and updates at mytalk.jawbone.com. Check back often to see what's new.