Supply card reader speaker mini speaker with FM radio and display

material:aluminium alloy +iron
size:7.5*4.5*5cm.weight:193g.
color:black,blue,pink.green,sliver.golden.customer's color is accepted.logo is available on the cover surface.
1.five bottons in arrays for choosing the model(TF/USB/Line in),the sound for lower or louder,next program,back program respectively
2.Support TF/Micro sd memory card/flash driver.Support PC/MP3/MP4 and etc.if you connect them to LINE-IN slot.
3.Power supply:DC 5V/Li-ion battery(BL-5C.3.7V 500mAh)
4.Display fun