Accept calls anywhere. The Voyager 5200 UC Bluetooth Headset offers advanced adaptive noise cancelling with Windsmart technology to reduce annoying background noise. It's always ready to go. Forget about background noise Not in the office? No problem. No problem. Four adaptive microphones combined with WindSmart technology eliminate annoying background noise wherever you are. Your voice sounds clear and professional in any environment - inside and out. So you can always concentrate on your conversation, regardless of your location. Control via voice commands Simple control. Extend your mobile life with the Voyager 5200 UC. With a single touch, you can connect the headset to Siri, Google Now or Cortana, so you can easily voice call your contacts, send messages, schedule meetings and even surf the web. Voice prompts also inform you about talk times and incoming calls. Simply say "Answer" or "Ignore" to manage your calls without lifting a finger.