MP3 Player Sepcification: 1) Controller: Ali 2) Built in Memory from 128MB up to 4GB 3) Battery: Built-in rechargeable Li-polymer battery 4) Housing: aluminium 5)with clip 6) Up to 5 hours playing time 7) Audio File Format: MP3/WMA 8)4 color are available: Black,pink,silver,blue 9) Dimensions (L*W*H): 41mm*29mm*8mm weight:20g
