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                                                            | Brand: | Koss | 
                                                                                                                            
                                                            | Description: | Connection type: wired, headphone type: full-size, connector: USB, microphone functions: noise-canceling microphone | 
                                                                                
                                                                                        
                                                            | Harmonic coefficient: | 0.2 % | 
                                                                                
                                                                                        
                                                            | Connection type: | With wire | 
                                                                                
                                                                                        
                                                            | Connector: | USB | 
                                                                                
                                                                                        
                                                            | Impedance: | 100 ohm | 
                                                                                                                            
                                                            | Sensitivity: | 103 dB | 
                                                                                
                                                                                        
                                                            | Length of cable: | 2.4 m | 
                                                                                
                                                                                        
                                                            | Mount type: | Headband | 
                                                                                
                                                                                        
                                                            | Microphone type: | Dynamic | 
                                                                                
                                                                                        
                                                            | Maximum playback frequency: | 20000 Hz | 
                                                                                                                            
                                                            | Minimum repeatable frequency: | 18 Hz | 
                                                                                
                                                                                        
                                                            | Microphone mount: | Mobile | 
                                                                                                                            
                                                            | Headphone type: | Full size | 
                                                                                
                                                                                        
                                                            | Maximum microphone frequency: | 16000 Hz | 
                                                                                                                            
                                                            | Minimum microphone frequency: | 100 Hz | 
                                                                                                                            
                                                            | Microphone directivity: | Non-directional | 
                                                                                                                            
                                                            | Microphone functions: | Noise canceling microphone | 
                                                                                                                            
                                                            | Microphone sensitivity: | -54 dB | 
                                                                                
                                                                                        
                                                            | Cable connection: | Unilateral | 
                                                                                                                            
                                                            | Type of acoustic design: | Closed | 
                                                                                
                                                                                        
                                                            | Connector shape: | Straight |