Plantronics Voyager Edge Bluetooth Mobile headset is offers voice commands that lets keep you in control, audio alerts keep you informed, advance noise cancelling keeps calls clear in any environment, and a portable charging case keeps Voyager Edge ready when you are. The included charging case add up to 10 more hours of talk time totally up of 16 hours of talk time. In addition, swipe your finger over the icons on the case to see the status battery level. Smart sensor technology that can redirect calls to your phone or headset, pause music for incoming calls, and automatically answer calls as you place the headset on your ear. It also syncs to your contacts so you can hear who's calling without having to look at your Smartphone. Voice commands make call management easy - simply say "Answer" or "Ignore" to send it to voicemail.