Technical Specification:
- Infrared (850nm) Stereo Transmitting mode
- Effective transmitting distance 5 meters
- Microphone effective transmitting about 2-5 meters
- Transmitter power consumption: 100mA
- Frequency response: 30Hz - 20Khz
- Signal to noise above 60db
- Transmitter power: USB 5v
- Power of charging: 55-65 mA