Amazon.com: Logitech Clearchat Comfort USB Headset : Electronics
Buy Logitech H390 ClearChat Comfort USB Headset at Connection Public Sector Solutions
Logitech USB H390 with Microphone Headset - 8ft, 20Hz-20kHz Headset Response, 100Hz-10kHz Microphone Response, USB 1.1 and 2.0 Compatible - 981-000014 at TigerDirect.com
Logitech USB Headset ClearChat Pro USB A-00008 | eBay