Poly EncorePro 520 Binaural Headset +Quick Disconnect

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