Mini-Crystal Speaker Features:1) Fancy design:Round shape by crystal2) Multi-function mobile speaker can be connected with Micro SD/TF ... card /USB3) Portable Mini speaker with FM auto sxan radio(88.0 to 108 ... IPHONE,GPS,mobile phone,notebook computer etc.5) Speaker with high quality sound6) With 3 LED( RGB), ... cable,3.5mm,audio Cable,DC adaptor(Optional) Mini crystal speaker