The BlueParrott C300-XT MS Bluetooth Monaural Headset features an advanced active noise-cancellation technology, this wireless headset improves call quality by filtering out up to 80 percent of background noise. It provides over 10 hours of talk time, and offering up to 13 days of standby time, the C300-XT is an all-day solution. BlueParrott C300-XT MS comes with access to the Walkie Talkie feature already programmed into the headset's BlueParrott Button for clear, instant collaboration. Enjoy premium BlueParrott features in a compact design that comes with a choice of wearing styles.