Memory Size:4GB Screen:Yes Battery Life:< 10 hours Style:MP3 player Function:Voice Recorder,FM Radio,E-Book Reading Memory:4GB/8GB Battery:Built chargeable lithium battery Dimension:88*37*17mm Weight:46.8g Support the format:MP3 music formats Type:mp3 player Keyword:mini square bluetooth mp3 player Color:Black, Blue / Green, Red / Pink, Silver / Gray Show More