Jabra Evolve 30 II. Product type: Headset, Wearing style: Head-band, Recommended usage: Office/Call center. Connectivity technology: Wired. Ear coupling: Supraaural, Headphone frequency: 150 - 7000 Hz, Impedance: 32 Ω. Microphone type: Boom, Microphone frequency: 100 - 10000 Hz. Weight: 142.5 g |