|LED Indicator:press the send button, LED indicator light will flash. Emitter will then work, and the receiver receive the order and then send out the beautiful melodies. The blue-ray LED of the receiver will regular flash along with the music|
Music source:38 melodies for your choice, Use the External button "up/down" to finish. (the music includes Asian, European, and American songs, also has 10 Middle Eastern Melodies as well.