Logitech 981-000100, Wired, 100 - 1000 Hz, Calls/Music, 4.23 oz (120 g), Headset, Black Logitech 981-000100. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 100 - 1000 Hz. Cable length: 94.5" (2.4 m). Weight: 4.23 oz (120 g). Product color: Black