| Cisco 562. Product type: Headset, Wearing style: Head-band, Recommended usage: Office/Call center. Connectivity technology: Wireless, USB connector: USB Type-A, Wireless range: 100 m. Ear coupling: Supraaural, Headphone frequency: 50 - 18000 Hz, Impedance: 90 Ω. Microphone type: Boom, Microphone frequency: 150 - 6800 Hz. Battery life (max): 10 h, Standby time: 60 h |