Poly / Plantronics Poly Voyager 4220 Office, 1-Way Base

UC Wireless Headset for Mobile, Tablet, Computer and Phone Bluetooth connection for mobile phones Dect connection for desk phone Noise-cancelling microphone Mono version SoundGuard ™ Sound protection Padded headband, leather ear cushions with built-in busylight Up to 12 hours standby and 13 days standby