Lenovo GXD1C99243, Wired, Calls/Music, 20 - 20000 Hz, Headset, Gray Lenovo GXD1C99243. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 20 - 20000 Hz. Cable length: 78.7" (2 m), Product color: Gray