3.5mm TRRS Lapel Microphone With Earphone Stereo Live Monitoring Headphones, 1.2m, 1.5m, 2m

1. Frequency response: 20Hz - 16KHz
2. Impedance: 2.2KΩ
3. Signal-to-noise ratio: Greater than or equal to 58 dB
4. Consumption current: Less than 500uA
5. Speaker size: Diameter 6.0 x 2.7mm
6. Sensitivity: -34dB +/- 3dB (0dB = 1Pa)
7. Directionality: Omnidirectional
8. Plug: 3.5 straight plug with 4 sections
9. Wire diameter: 2.0mm / 2-core shielded enameled wire + 3 tail wires (single microphone + dual earbus)
10. Length: 1.2m / 1.5m / 2m
11. Compatibility: Compatible with mobile phones, tablets, laptops, and other devices with a 3.5mm TRRS interface