Poly EncorePro 520 Binaural Headset +Quick Disconnect

Connectivity technology: Wired | Mac operating systems supported: MacOS | Signal-to-Noise Ratio (SNR): 50 dB | Headphone frequency: 20 - 10000 Hz | Package depth: 178 mm | Microphone type: Boom | Product type: Headset | Depth: 149 mm | Wearing style: Head-band | Cable length: 0.785 m | Headset type: Binaural | Recommended usage: Calls/Music | Product colour: Black | Package height: 54.6 mm | Windows operating systems supported: Yes | Microphone direction type: Omnidirectional | USB connectivity: Yes | Package weight: 180 g | Height: 67 mm | Width: 111 mm | Noise reduction: Yes | Weight: 74 g | Microphone frequency: 20 - 16000 Hz | Hearing protection technologies: SoundGuard DIGITAL