Jabra STEALTH UC, Bluetooth Headset for Mobile phone and PC (via Jabra LINK 370 Dongle), Voice commands in English, USB charged FREEDOM TO DO MORE Jabra Stealth UC takes Bluetooth(R) headsets to the next level by being the first to incorporate the breakthrough micro POWER battery technology which allows for a significantly smaller design, longer talk time and a better comfort experience. Your remote access to Siri / Google Now voice assistant With Jabra Stealth you can just leave your Smartphone in your pocket and still Siri and Google Now will always be available at your fingertips. Just tap the dedicated button on the headset to remotely activate and engage with Siri or Google Now from your smartphone. Premium Sound - No Noise! The headset features the latest, most advanced sound enhancement technologies. Noise Blackout(TM) reduces background noise from your conversations and together with HD voice, you are ensured of crystal clear conversations at both ends of the call. Superior Comfort There\'s a completely new comfort experience with Jabra Stealth. The headset is significantly smaller and lighter and the weight of the headset is perfectly balanced in your ear. It\'s so discreet and comfortable that you\'ll hardly realise you\'re wearing it.