Dance square dance opera machine and tablet computer which is good?

Personally, I think the theater machine is better Inexpensive cost-effective Singing machine can be used to watch opera, movies, listen to the radio, early practice outside the guide Teaching and so on.

Large-screen MP4 combined with portable speakers video and audio player, generally have FM radio function, sd memory card as a storage medium, you can download audio and video files from the computer. Positioning of consumer groups generally for the middle-aged and elderly.