- Wired headsets
- 2017-08-11 17:55
- Model Number: H3600NC Mono-#4139 Brand Name: IRM Key Specifications/Special Features: Noise cancelling microphone of back electret typeFrequency: 20-10.2KHzIndependence: 3.9kΩSensitivity: -34±2dBThe current: 70-150uACan passed reliability testin...