Sogo AUR-SS-8240, Wired & Wireless, 20 - 20000 Hz, Music/Everyday, 230 g, Headset, Black Sogo AUR-SS-8240. Product type: Headset. Connectivity technology: Wired & Wireless, Bluetooth. Recommended usage: Music/Everyday. Headphone frequency: 20 - 20000 Hz. Wireless range: 10 m. Weight: 230 g. Product colour: Black