Features A variety of flashing mode LED lights lights can flash with the music melody one key conversion music melody can not only listen to but also see bluetooth mode no connection half an hour automatically shut down Support FM radio can directly search the listening area of the radio Soft clear and dynamic tone with distinct layers Specification Brand TGFunction insert card radioApplicable scenarios car desktop fitness outdoor home mobile portable K song live broadcast square dance broadcast system outdoor lawnSpeaker unit 5W 2Certificate type ROHS CE certificationConnection method bluetooth connectionInterface type USBFrequency response range 100HZ 20KHZOutput power 5WSignal to noise ratio ≥75dBPower supply mode built in lithium batterybluetooth protocol 5 0Number of speakers 2Effective distance 10 metersOperation mode buttonShell material plasticAppearance size 74 74 196Product weight 0 48 KG Color gray blue black red greenPackage Included 1 bluetooth Speaker1 Charging Cable1 Manual