Philips Earhook Headphones SBCHJ020, Wired, 12 - 22000 Hz, 20 g, Headphones Philips Earhook Headphones SBCHJ020. Product type: Headphones. Connectivity technology: Wired. Headphone frequency: 12 - 22000 Hz. Cable length: 1.2 m. Weight: 20 g