1. English language book 2. Reading by The Talking Pen 3. English ... and standard 2. The text cover any aspects including body,family,clothing,festival,foods,animal,plants,politeness and so on ... standerd sound, it is very useful for children to learn language.specification:1. OID Head, use sonix 4th generation OID ... 7. Battery, 300 mah high capacity lithium battery. English Language Book With Talking Pen