This product is for the advanced class. Mathematics: 3rd grade → April to March Japanese: 2nd grade → Katakana, Kanji, vocabulary, sentence construction, listening comprehension, composition, reading comprehension of long texts 3rd grade → April to March Science: 3rd grade → April to March Social Studies: 3rd grade → April to March Kanji Drill: 10th to 8th grade (Elementary 1st to 3rd grade) Math Drill: 6th to 4th grade (Elementary 1st to 3rd grade) English Premium available: Lesson 5 is available The device itself has been used with a cover, so there are no noticeable scratches. However, the cover has deteriorated over time and is not in good condition, with small pieces of debris falling off. To protect the product, we will ship it with the cover, but we recommend replacing it. Also, please note that the touch pen is missing. 【Important】 If there is an error, please [restart]. For the update screen, please select [do not do it now]. Please be aware that updating will erase your data. Smile Zemi updates automatically, so it will update if connected to Wi-Fi. Therefore, after downloading the courses, please disconnect from Wi-Fi and continue using it in "Outing Mode." "Outing Mode" can be set from the settings. It can be used as an Android tablet by initializing it. This is a used item, so please understand before purchasing. Storage capacity: 16GB Functional defects: None