| Type:Electret Condenser Microphone | 
|  | 
| Directivity:Omni-directional | 
|  | 
| Effective Output Level:-51 <+->4 dBm (0 dBm = 1 mW/Pa, 1 kHz; 1 Pa = 10 bar = 94 dB SPL) | 
|  | 
| Output Impedance:1.6 kohms <+->30%, unbalanced | 
|  | 
| Frequency Response:50 - 12,000 Hz | 
|  | 
| Battery Life:Approx. 100 hours with Sony lithium battery CR2025 (not supplied) | 
|  | 
| Operating Temperature:32F - 104F (0C - 40C) | 
|  | 
| Cord Length:3.3 feet (1 m) |