... to video read pen 7-year-factory experience Exported over 10,000pcs for sigle item Function Describe:The reading pen is a ... the child. We have prepared a lot of sound books, for example , Mathematic , English learning, Classic Fairy Tales , Chinese learning , game ... 2.0 high-speed downloadMP3 mode: Supports standard MP3 format for download and playPower Type:350 mA/h lithium polymer batteryColor ...