This aircraft has eight big functions: 1. wireless earphone: May meet the computer, the television, VCD, DVD, CD \ MP3 and so on each kind of sound source.                                                    2. FM broadcast: May listen to the 88-108MHZ FM broadcast with the wireless earphone receiver, and automatic tracking locking broadcasting station.                                                   3. the wireless surfer pronunciation chats: The launcher built-in microphone, allocates move set clock for the launcher switch “AUDIO-CHAT” the files position, the launcher connects with the audio frequency line on computer's pronunciation jack, puts on the earphone to be possible to achieve is apart from the computer 3-5 meters to carry in-line pronunciation to chat far.                                  4. wireless guardianship function: Allocates move set clock for “MONITOR” the launcher switch the files position, puts in nearby the person who the transmitter the baby, old person, the patient and so on need to look, uses the receiver to be possible to listen to by watcher's sound, facilitates with ease nurses.                                               5. wired earphone: Receives on the earphone to have an audio frequency input jack, is joined to the audio frequency ties (to have disposition), may do for the wired earphone uses.                                  6. the acoustic fidelity is exquisite, the stereo sound is strong, enjoys music fully the charm.                     7. noise reduction function: Puts on the earphone, effective reduced exterior noise disturbance, but also your pure static, clear individual music world.
<dnt> </dnt>8.DC4.5V power source power supply: Fifth battery and DC4.5V two power supply ways, more convenient practical