GN Netcom N8000 Multi-purpose Headset and Telephone Amplifier - 01-0119 (Certified Refurbished) This Certified Refurbished product is tested & certified by GN Netcom to work like-new. The product includes all original accessories, and is backed by a 90 Day warranty Headset Stand/On-Line Indicator, Top Cover, Battery Save Switch Mute Switch,Telephone Port, Handset Port, Receive Volume Control Headset/Handset Switch, Transmit Volume Control, AC Power Adapter Port Battery Compartment, System Selector Switch, Headset Stand/On-Line Indicator Port, Headset Port