GN NETCOM 6670-904-305 Jabra Motion Landline Telephone Accessory Triple Connectivity - Triple connectivity technology lets you manage phone calls from 3 different devices simultaneously, with one single headset. You get greater flexibility and enhanced user experience Noise Blackout - Jabra Noise Blackout technology eliminates disturbing background noise such as wind, surrounding conversations or traffic to enhance your voice 300ft Wireless Freedom - Featuring Bluetooth Class 1, you get a wireless mobility up to 300 feet, giving you full control of your hands-free Jabra voice solutions