LotFancy Calltel Call Center Headset for Avaya 1600/9600, IP Phone Headset Headphone with Mic, Fits Avaya 1608, 1616, 9620, 9630, 9640, 9640G, 9650, 9670 LotFancy CallTel T400 Polaris Monaural Over-The-Head Quality Headset Soft leatherette ear cushions for all day comfort About 8-feet cord with RJ-9 modular plug lets you walk away from the phone while still wearing your headset Polaris models are for phone systems with built-in amplifiers Package Include: 1 x Calltel Headset with phone cord and 1 x User manual