1. Material: plastic, electronic components 2. Applicable scenarios: broadcasting, interview recording, speech, online teaching 3. Frequency response: 50Hz-20KHz 4. Dynamic range: 117dB 5. Signal to noise ratio: 75dB 6. Audio cable length: 8 meters / 26.2 feet 7. Output connector: 3.5mm class 4 metal plug 8. Battery: LR44 button battery x 1 (delivery with battery) 9. The microphone has an automatic identification function, which can automatically identify the 3.5mmTRRS and 3.5mmTRS input ports 10. Contains cotton windscreen to reduce background noise 11. Upgrade the noise processing circuit to provide complete and clear sound when recording 12. Support 360-degree omnidirectional pickup