... * Built-in 4GB * Nice Voice Smart Learning Kits for Baby, Welcome to OEM, ODM!1. ... 4G Bytes Nand-Flash Memory;* TF-Card, Can Expand Memory form 2GB to 8GB;* USB, ... high capacity lithium battery* Recording function: children can record and easy play their own voice.* Game ... Books, Children Education Books, Electronics Read Book, Digital Learning Book, Digital Book, Quran Talking Pen, Talking Pens for ...