JVC Gumy Sport, Wired, 20 - 20000 Hz, 0.169 oz (4.8 g), Headset, Black, Blue JVC Gumy Sport. Product type: Headset. Connectivity technology: Wired. Headphone frequency: 20 - 20000 Hz. Cable length: 39.4" (1 m). Weight: 0.169 oz (4.8 g). Product color: Black, Blue