... . OEM & ODM 5. Support MP3 and Record HOT!!! Kids Magic Pen With Sound BooksFunction Describe:The reading pen is ... . Translation4. Volume control5. MP3 player6. Record7. Select songs8. Page-turning9. Li battery10. Listening with EAR phone or external deviceSpecification ... Type:350 mA/h lithium polymer batteryColor:Blue-white, rose-white.Accessories:Charger,USB line,MP3card,Manual, certificate, warranty ...