... Learning,story,sound book 40 pages per book,Nice Voice 15 month warranty 7-year-factory OEM ... the sound books "English i like" Reading pen for sound book Reading pen main functions:1. Point to read2. Repeat3. ... , when they out of home,child can point the book and hear the story of parents voice.2. Download ... by the pen.3. Every page of the OID book has printed a record icon, children can record their ...