Product Name: MP3 player 1)Hi-Fi Timbre 2) With indicate light 3)Support MP3,WMA 4) Built-in Lithum Battery with 7 hours playing times. 5)Dimension: 40*28*10cm 6) Weight?? : 15g 7) Colors available:Black, Silver, Red,Yellow,Green 8)USB2.0 Speed 9)Thumb-friendly, ergonomic, circular control pad