1. Horn diameter: 50mm
2. Impedance: 32 Ohm +/- 15%
3. Sensitivity: 108 +/- 3DB
4. FREQUENCY RANGE: 20HZ-20KHZ
5. Microphone size: 6.0x2.7mm
6. Microphone sensitivity: -42 +/- 3db
7. Cable length: 2.1m +/- 15%
8. Microphone cathodic impedance: 2.2 ohm.
9. Directivity: omnidirectional.
10. LED working voltage: 3.7V
11. Working current: less than or equal to 100mA
12. Headphone jack: USB
13. Receiving range and distance: 15M / 360 degrees
14. Ergonomic design comfortable to use.
15. Noise reduction microphone gives you a noise-free experience.
16. Usage time: about 12 hours