| 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 |