Feature：
Negative ion oxygen, MP3 music playback, built-in audio;
File upgrade to 120 stalls, 21 intelligent mode;
Smart touch screen, and the lights and the marquee collocation;
Three stereo amplitude more than 3000 feet, massage granules.
Feature：
Negative ion oxygen, MP3 music playback, built-in audio;
File upgrade to 120 stalls, 21 intelligent mode;
Smart touch screen, and the lights and the marquee collocation;
Three stereo amplitude more than 3000 feet, massage granules.
