Description
- Speaker size: 40mm
- Impedance: 322
- RMS: 98mw
- Sensitivity: 1053dB
- Frequency range: 15Hz-20KHz
- Microphone: 6.0x5.0mm
- Microphone sensitivity: -383dB
- Microphone impedance: 2.2 K Q
- Directionality: omni-directional
- Headphone jack: 3.5MM
- warranty : 30 days