JVC HA-FX7M-R-E, Wired, 10 - 20000 Hz, Calls/Music, 3.8 g, Headset, Red JVC HA-FX7M-R-E. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music. Headphone frequency: 10 - 20000 Hz. Cable length: 1 m. Weight: 3.8 g. Product colour: Red