| 
                        
                                                                                                                            
                                                            | Weight: | 
                                                            300 g
                             | 
                        
                                                                                                                            
                                                            | Equipment: | 
                                                            - 1 headphone K371-BT; <br/>
- 2 straight cables 3.0 m and 1.2 m; <br/>
- 1 spiral cable 3.0 m; <br/>
- 1 adapter: 3.5 mm - 6.5 mm; <br/>
- 1 USB charging cable; <br/>
-1 protective carrying case.
                             | 
                        
                                                                                                                            
                                                            | Design: | 
                                                            Full size
                             | 
                        
                                                                                                                            
                                                            | Description: | 
                                                            Design: full size, device type: wireless headphones, design features: microphone, detachable cable, foldable design, plug connector: mini jack 3.5 mm, acoustic design type: closed,
                             | 
                        
                                                                                
                                                                                        
                                                            | Additional Information: | 
                                                            Work profile support: AVRCP,HFP Hands-free,A2DP,Headset
                             | 
                        
                                                                                
                                                                                        
                                                            | Plug connector: | 
                                                            mini jack 3.5 mm
                             | 
                        
                                                                                
                                                                                        
                                                            | Working hours: | 
                                                            40 h
                             | 
                        
                                                                                
                                                                                        
                                                            | Impedance: | 
                                                            32 ohm
                             | 
                        
                                                                                                                            
                                                            | Sensitivity: | 
                                                            114 dB
                             | 
                        
                                                                                
                                                                                        
                                                            | Included: | 
                                                            Adapter 6.3 mm
                             | 
                        
                                                                                
                                                                                        
                                                            | Length of cable: | 
                                                            3m
                             | 
                        
                                                                                
                                                                                        
                                                            | Design features: | 
                                                            Microphone, detachable cable, foldable design
                             | 
                        
                                                                                
                                                                                        
                                                            | Device type: | 
                                                            Wireless headphones
                             | 
                        
                                                                                
                                                                                        
                                                            | Mount type: | 
                                                            Headband
                             | 
                        
                                                                                
                                                                                        
                                                            | Maximum playback frequency: | 
                                                            40000 Hz
                             | 
                        
                                                                                                                            
                                                            | Minimum repeatable frequency: | 
                                                            5 Hz
                             | 
                        
                                                                                
                                                                                        
                                                            | Technology: | 
                                                            Dynamic
                             | 
                        
                                                                                
                                                                                        
                                                            | Bluetooth version: | 
                                                            5.0
                             | 
                        
                                                                                
                                                                                        
                                                            | Membrane diameter: | 
                                                            50 mm
                             | 
                        
                                                                                                                            
                                                            | Type of acoustic design: | 
                                                            Closed
                             | 
                        
                                                                                
                                                                                        
                                                            | Wireless connection type: | 
                                                            Bluetooth
                             |