1.mp3 with PlayFX effect 2.unique vacuum colorful technology 3.private design 4.SRS 3D effect 5.more than 50hours standby rock chip mp3 player with delicate body1.Flash memory:2GB/4GB2.The machine memory: 2G3.PC interface : USB 2.04.Screen Color:true OLED screen5.7EQ and SRS sound PlayFX effect.6.Music format: MP3, WMA ,AAC7.Record function: Yes8.A-B repeat and flowing reading9.E-book reading: ...