Computer Plantronics Poly Blackwire 3320 USB-A

Brand: Plantronics
Description: Connection type: wired, headphone type: on-ear, connector: USB, microphone functions: noise-canceling microphone
Connection type: With wire
Connector: USB
Impedance: 32 ohm
Sensitivity: 94 dB
Mount type: Headband
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Headphone type: Invoices
Maximum microphone frequency: 10000 Hz
Minimum microphone frequency: 100 Hz
Microphone functions: Noise canceling microphone
Microphone sensitivity: -38 dB
Connector shape: Straight