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                                                            | Brand: | FREETALK | 
                                                                                                                            
                                                            | Description: | Connection type: wired, headphone type: on-ear, connector: USB | 
                                                                                
                                                                                        
                                                            | Connection type: | With wire | 
                                                                                
                                                                                        
                                                            | Connector: | USB | 
                                                                                
                                                                                        
                                                            | Impedance: | 32 ohm | 
                                                                                                                            
                                                            | Sensitivity: | 95 dB | 
                                                                                
                                                                                        
                                                            | Length of cable: | 1.8 m | 
                                                                                
                                                                                        
                                                            | Mount type: | Headband | 
                                                                                
                                                                                        
                                                            | Maximum playback frequency: | 20000 Hz | 
                                                                                                                            
                                                            | Minimum repeatable frequency: | 20 Hz | 
                                                                                
                                                                                        
                                                            | Headphone type: | Invoices | 
                                                                                
                                                                                        
                                                            | Microphone impedance: | 2200 ohm | 
                                                                                                                            
                                                            | Maximum microphone frequency: | 8000 Hz | 
                                                                                                                            
                                                            | Minimum microphone frequency: | 100 Hz | 
                                                                                                                            
                                                            | Microphone sensitivity: | -32 dB | 
                                                                                
                                                                                        
                                                            | Membrane diameter: | 40 mm | 
                                                                                                                            
                                                            | Cable connection: | Unilateral |