Jawbone ERA Bluetooth Headset - Shadowbox - Universal Packaging Listen in HD Music, video and calls never sounded better. With its 10mm wideband speaker--our biggest, most powerful speaker yet (25 percent larger than previous models)--podcasts, Pandora tunes, YouTube videos, driving directions and more come vibrantly to life in full-spectrum, HD-quality sound. Jawbone ERA is also the most convenient way to enjoy all your mobile media and calls in one place. No more clunky headphones, no more tangled cords. You'll be totally hands-free and never miss a beat. Specifications Bluetooth: Version 2.1 Bluetooth profiles: Advanced Audio Distribution Profile (A2DP) 1.2, Hands-Free Profile (HFP) 1.5, Headset Profile (HSP) 1.1 Multipoint: Supports simultaneous Multipoint (two live audio connections) Talk time: Up to 5.5 hours Standby time: Up to 10 days (240 hours) PC compatibility: Windows 7, Vista XP; Mac OS X 10.5 and higher (for MyTALK apps and software updates) Dimensions: 2.02 x 0.57 x 0.95 inches (LxWxH) Weight: 10.2 grams (0.36 ounce) Product Description Jawbone ERA is the only Bluetooth headset equipped with military-grade NoiseAssasin 3.0, the latest version of Jawbone s industry-first noise and wind canceling technology. Originally developed for use by tank commanders and helicopter pilots, NoiseAssassin 3.0 eliminates background noise better than any other headset. It also auto-adjusts inbound call volume and intelligibility to your environment. Whether you re at a noisy ball game or on the road, you ll always hear and be heard. Music, video and calls never sounded better. With its 10mm wideband speaker our biggest, most powerful speaker yet (25% larger than previous models) podcasts, Pandora tunes, YouTube videos, driving directions and more come vibrantly to life in full-spectrum, HD-quality sound. Jawbone ERA is also the most convenient way to enjoy all your mobile media and calls in one place. No more clunky headphones, no more tangled cords. You ll be totally hands-free and never miss a beat. Jawbone ERA is the first headset with a built-in accelerometer and patented MotionX technology Advanced Bluetooth headset in Shadowbox design with NoiseAssasin 3.0 noise and wind canceling technology for clear communication 25 percent larger wideband speaker that brings Hi-Definition audio as you talk on the phone, listen to music, and more Customizable features with MyTALK platform--download apps, set different languages, and more Jawbone battery meter automatically displays on iPhone (BlackBerry and others available at MyTALK) Up to 5.5 hours of talk time, up to 240 hours (10 days) of standby time; released in January, 2011