 
         
         
         
         
         
         
        
        
        
        
            | Main centres: | 1-3 business days | 
| Regional areas: | 3-4 business days | 
| Remote areas: | 3-5 business days | 
| Speaker Sensitivity | 108dB±2dB/mw at 1KHz | 
| Speaker Frequency Range | 200-4K Hz | 
| Microphone Frequency range | 20-3000Hz | 
| Microphone Impedance | 150Ω±5Ω | 
| Microphone Sensitivity | -58dB±3dB | 
| Maximum Power | 10mW | 
| Material | Metal, ABS and POM | 







