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
Amazon.com: Logitech ClearChat Pro USB Headset : Electronics
Logitech ClearChat Stereo Kopfhörer mit USB Transmitter schnurlos: Amazon.de: Computer & Zubehör
Logitech H390 ClearChat Comfort USB Headset (981-000014)