Experience brilliant, HD streaming audio plus natural, clear calls * Smart Sensor technology manages your calls and automatically performs time-saving functions * Monitor your headset battery level on your iPhone or Android (3.0 or higher) smartphone * Up to 6 hours of talk time, up to 120 hours (5 days) of standby time * Ships in Certified Frustration-Free Packaging * Delivers noise-free HD audio * Plantronics MyHeadsetapp for Android-based phones * Senses if you"re wearing it * Streams music, podcasts and more * What"s in the Box: headset, three sizes of ear tips, charger, USB cable, operating instructions