You can download a few more videos in the jukebox so that there will not be only one video.
The characteristics of the old man opera machine are: 1. For the elderly hearing loss problem so the old man opera machine playback sound is very loud and clear, in the square dance can be accurately hear the rhythm of the music. 2. The elderly in the use of the old man opera machine, you can arbitrarily count then they want to hear the song, but also arbitrarily fast-forward or backward operation is convenient and easy to understand. 3. Older singing machine installed in the large lithium battery storage power is very large, which ensures that the elderly in the use of the situation will not suddenly appear without power.