How about the city of Nanchang
1, headphones can be brought on the plane, but there are certain restrictions. According to the relevant provisions of the aviation department, the headset can only be used in the aircraft taxiing, take-off, descent, landing other than the stage, and the cell phone or other devices need to open the flight mode, if the Bluetooth headset, you need to use 100wM below the low-transmitting-power wireless transmission of Bluetooth headset. 2, the headset is a pair of converter unit, which accepts electrical signals from media players or receivers issued by, using the A speaker close to the ear converts it into an audible sound wave. The headset can be separated from the media player, only using a plug can be connected, can not affect the case of bystanders, listening to audio alone; can also be isolated from the surrounding environment of the sound.