Poly / Plantronics Poly Voyager 4220 Office, 2-Way Base, USB-A

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