The BlueParrott B450-XT Monaural Bluetooth Wireless Headset that features an advanced noise-cancelling microphone that eliminates 96 percent of ambient noise and Voice Control for hands-free control of headset functions, and voice memo record. With BlueParrott's VoiceControl technology, you can use your voice to answer/reject calls keeping your hands free. Featuring up to 24 hours talk time, large, easy-to-press buttons and an improved wireless range of up to 100 metres. A full day on the road made easy with BlueParrott B450-XT. The B450-XT MS comes with access to the Walkie Talkie feature already programmed into the headset's BlueParrott Button for clear, instant collaboration. BlueParrott specializes in noise cancelling headsets for professional drivers.