1.bike speaker with stereo fm radio 2.mini radio speaker 3.portable speaker 4.radio, SD card, USB drive speaker ... NSP-109 bike speaker with stereo fm radio Product HighlightsItemPortable Speaker Bar MaterialABS plasticSize70x70x205MMOutput power2W*2Power SupplyUSB ... DC5.0V, rechargeable lithium battery FunctionsWith FM radio+ USB/SD card slot+LCD display Compatible with ...