1. Horn diameter: ≤40mm
2. Speaker sensitivity: 115 ± 3dB
3. Speaker impedance: 32Ω
4. Speaker frequency response: 20Hz-20kHz
5. Microphone sensitivity: -38dB ± 3dB
6. Microphone impedance: ≤ 2.2KΩ
7. Microphone directivity: omnidirectional line
8. Length: 2.2M plug
9. Type: 2.4G wireless
10. Function: Noise Cancellation, Microphone, Built-in Cable
11. Waterproof standard: IPX4
12. Feature: Microphone is detachable