... LCD screen; 4. CE, FCC. Direct USB Type Bar MP3 Player (EM646) Features:1. Capacity: 256M,512MB, 1GB, 2GB, ... 4GB,8GB(Optional);2. Audio format: MP3,WMA,ASF;3. EQ Mode: Normal, Rock, Pop, Classical ... display, lock up, battery power display, and FM (optional);7. Battery type: rechargeable lithium polymer battery;8. Battery lifespan ... Provide to You! Direct USB Type Bar MP3 Player (EM646)