FirstSing FS981021 corded stereo headphones provide users with superior audio quality and are ideal for any music playing device such as a mobile phone, music player, hi-fi adapter, PC or airplane. Featuring active noise reduction (up to 18dB), powered by two AAA battery installed in the ear cup, the FirstSing FS981021 removes unwanted background noise for a better listening experience.
Noise Reduction Level 18dB
Work in peace with noise canceling headphones from FirstSing
Active noise cancellation effectively removes up to 92-percent of background noise
Stereo hi-fi frequency headphones
Audio bypass function enables the delivery of compensated audio without the battery present
Headphones fold flat for compact transportation
Active Noise Cancellation battery life of up to 50 hours
Ear cups with premium grade leatherette pads
Carrying case contains a full range of adapters for mobile phones, music players, hi-fi sound systems, PCs, airplanes and more
Frequency response 20 Hz to 22 kHz +/- 3dB
Speakers: two 40 mm neodymium
Total harmonic distortion less than 1-percent
Impedance 64 ohm
Dimensions: 6.85 inches x 6.24 inches x 3.15 inches
Weight: 0.44 pounds
Requires two (2) AAA battery
Active Noise Cancelling Headphones is necessary for your trip
Every year of July and August is the best time for travelling. And every year of July and August always is busy time for travelling and is coming in the peak of summer tourism. You will choose travel on domestic or foreign, far apart people choose wherever, but no matter where to go, if not long-distance driving, what means of transport by plane the always inevitable. This time, the question came. We have a lot of friends around (especially those long-haul travel abroad friends) are reflected in the huge plane buzzed engine noise is hard to have a good rest, finally reached the destination of the Caesar joy to enjoy , but it listlessly dragging tired body, not at all excited about is not up. Putting on headphones to listen to relaxing music is a good choice for your travelling. But it is difficult that the ordinary headphones prevent from large vehicles roaring noise. Only those designed to combat noise, noise canceling headphones to be able to give you a relatively quiet space. We are known as that noise canceling headphones especially active noise canceling headphones. Active noise reduction system is through the generation and outside noise equal inverted sound waves and the noise in order to achieve noise reduction effect. Active noise canceling headphones with the outside noise to contend with noise reduction circuit, and a separate power supply for power supply, it is also known as active noise reduction headphones. All sounds by a certain spectral composition, if you can find a voice, to eliminate the spectrum with the noise exactly the same, just the opposite phase, it can completely offset these noise, therefore, active noise canceling headphones rather point ” fire with fire “,” tit for tat “flavor. In short, ordinary people think that like those recognized industry BOSE noise canceling headphones are expensive, at least five hundred dollar to one thousand dollar. In fact, with the prevalence of noise canceling headphones, noise reduction technology, diversification and gradually reduce production costs, and now several hundred dollars noise canceling headphones available in the market, there are some good choices. Today, we put the price at thirty dollar or less limited worth choosing what noise canceling headphones, you can go to bring you a peaceful rest, repose space bar. Of particular note is that the “penny stock” Where are the universal laws apply, and therefore on the quality, noise reduction, sound quality, we recommend today’s products and those of thousands of high-priced goods to said that there are still some gaps, but definitely meet most people’s needs.
In a word, FirstSing FS981021 is a powerful active noise cancellation headphones and convenient for bring it your trip. Stylish design is easy to attract people. Active Noise Cancelling Headphones is one of necessary for your trip. It is a good choice that put on noise cancelling headphones to listen to relaxing music and prevent noise of large-scale transport. FirstSing FS981021 is the great noise cancelling headphones which is the best choice for your trip.