U-disk&SD card speaker description:
1.3.5MM regular jack,hook up to any IPod, IPhone, digital music device, MP3, phones,etc
2.Read SD card/USB drive
3.Replaceable li-ion battery .
4.FM radio function
5.earphone output
6.color:Black, Red, blue.7.material: plastic and metal mesh.
U-disk&SD card speaker