Comfortable Bluetooth mono headset with up to 6 hours of talk time. Easily connect with NFC-enabled smartphones by simply tapping the two devices together. Activate Siri or Google Now directly from the headset. Enjoy clear calls with high-definition sound. Advanced Noise Blackout technology ensures clear, noise-free calls. Dual microphones reduce background noise, making you easy to hear. HD Voice brings high-definition sound quality to both ends of the call. Stealth delivers superior comfort in a small design. The weight of the headset is perfectly balanced. It's so discreet that you'll hardly notice you're wearing it. Leave your phone in your pocket. Activate Siri and Google Now by tapping a dedicated button directly on the headset.