Taobao.
DIY can also be, find a square dance speakers with the kind of remote control, add a transistor switching circuit to facilitate the drive of high-power infrared transmitting tube, infrared tube you can buy night-vision monitoring of the kind of 3W infrared LED, I suggest that don't do and sell the kind of online, a tube will be able to find a polygonal flashlight to the LED into the infrared.
The remote control take a button to connect a switch, such as signal selection, or volume -. Then aim at the speaker from a distance and turn on the switch to make sure the square dance mom can't find you.
Square dance is the most massive system in the art of dance, named for the many gathered in the square, integrating self-indulgence and performances, with group dance as the main form of performance, with fitness as the main purpose. Including Jiamusi dance, dam dance, sailor dance and so on.
Square Dance is a rhythmic dance performed by residents spontaneously for the purpose of fitness in squares, courtyards, dams and other open spaces, usually accompanied by high decibel, rhythmic music.
Square dance in public **** place by the masses of spontaneous organization, the participants are mostly middle-aged and elderly people, of which the majority of the big mother. Square dance is a non-professional dancers to create the dance, is exclusively for the general public dance, because of the different nationalities, different regions, different groups so the square dance dance dance form is also different.
Square dance is a fitness dance that people generally participate in, with a variety of dance elements, including folk dance, modern dance, street dance, Latin dance and so on.
On November 13, 2017, the State General Administration of Sports website news, the General Administration of Sports issued a Notice on Further Regulating Square Dance Fitness Activities.