Spot Trade Foreign Trade Audio Wall ChartArabic 3, Russian 1, Vietnamese 4, Thai 1, Pure English 2

 In addition, voice maps of various countries can be custom-made.

Internal Trade Audio-Visual Chart: There are a total of 20 styles: recognizing fruits and vegetables, recognizing characters, recognizing animals, recognizing transportation, learning pinyin, learning mathematics, recognizing Chinese characters, recognizing shapes and colors, recognizing numbers, learning Tang poetry, recognizing English letters, dual mode, daily necessities, Three Character Classic, world famous cars, world national flags, recognizing words 1, recognizing words 2, 1-100, strokes and radicals.