HeadphoneHeadphone is a conversion unit,  it receives media player or a receiver, close to the ear speaker into can hear sonic. Headphone is generally separated with the media player &n…

Wuxia Headphone,not all headphones are perfect!…

On May 26, the Civil Aviation Authority issued the "2014 Report of the national civil aviation flight operations efficiency." The report shows that in 2014, the flight distance bet…