- Wired headsets
- 2017-10-09 13:59
- Model Number: H3000ST Duo-#1692 Brand Name: IRM Key Specifications/Special Features: Omni micof back electret typeFrequency: 20-10.2KHzIndependence:3.9kΩSensitivity:-34±2dBThe current:70-150uACan passed reliability testing --High Temp test. Lowe...