POLY ENCOREPRO 320 STEREO USB-A HEADSET TAA (767G0AA)

·       Weight: .105 kg ·       Dimensions (W x D x H): 11.1 x 14.9 x 6.7 cm ·       Flexible noise-canceling microphone to tune out background noise.  ·       Voice-optimized frequency response for clearer conversations.  ·       SoundGuard acoustic limiting technology to protect against Acoustic Shock by limiting sounds to below 118dBA  ·       Proven reliability with Quick Disconnect (QD) tested to over 30,000 cycles.   Color Black Impedance 32 ohms Cable length 2190 mm Button user controls Call answer/end; Mute; Volume +/- Headphone type On-ear (stereo) Microphone bandwidth 35 Hz to 21 kHz Ear cushions Artificial leather (surface material) Compatible Operating Systems Windows 11; Windows 10; macOS Acoustic protection technology SoundGuard Digital  Certifications and compliances CE Dimensions (W x D x H) 11.1 x 14.9 x 6.7 cm Cartons per layer 4 Minimum System Requirements USB Type-C port What's in the box User guide; Headset