User manual Logitech ClearChat H390 (English - 61 pages)
ClearChat Comfort/USB Headset H390 - Black | Konga Online Shopping
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 H390 USB ClearChat Comfort Headset w/ Mic - Jordan
Logitech H390 USB Headset with Noise-Cancelling Mic
N Logitech H390 ClearChat Comfort USB Headset with Microphone – Affiliate products for sale | Headset, Logitech, Microphone
Logitech H390 Wired USB Noise-Cancelling Over-the-Ear Headset Black 981-000014 - Best Buy
Logitech H390 USB Headset with Noise-Cancelling Mic