Noise Cancelling Headphones in a compact body.
A microphone inside the headphone circuit monitors sound waves and counteracts them by creating reversed phase sounds of background noise.
Features:
- Noise cancelling technology
- Reduces outside noise by 92% (-22dB) at 200Hz.
- Turn noise cancelling on or off as headphones can be used both ways.
- Enjoy the compact pen-type design and clip it to your clothing for easy access.
- Slide volume control is at your fingertips.
- 40 hours operation time with 1 X AAA alkaline battery.
- Three sizes of ear pads and an Airplane plug included.
- Frequency Response: 10Hz – 20kHz