Ragvee presents English some fun-book product details intelligent books that help children. English proficiency it is a universal language of the world. The vocabulary we use in everyday life or imagination. With colourful images. With cute cartoon pictures it's a favourite of kids, of course. Intelligent book design features Easy to use. - on/ off button is used to press on or off, or if no response, the system will shut down itself by saying "goodbye". - button? Question mark the book will ask us. Then let us press on the right thing. Have a speech test and hit the wrong. - repeat button is to repeat or repeat the word. - the words button is a word-for-word learning. English words with spelling of the word. - spelling button is learning spelling. - Vol button to increase - reduce the level 6. - the music button has many songs, such as happy birthday. ** clear vocals allow children to speak or play fluently with loud and clear sound ** using - press the button and then go to the page you want to play. - then press the desired function. - every time you want to change a category, you must press go. - the left hand Side of the page is to learn the English sentence of the word. The book uses 3 AA batteries. In combination - intelligent book - pen press the image. 2 x 23 x 25 cm packing: box of books well.