Hight quality speaker support FM, SD,TFcard, SD and TF TWO card slots with USB SOUND CARD/ 900mah battery crystal ball

*Function1. Support USB disk,SD card,TFcard(two card jack),2. Built-in USB sound card3. Support FM4. LCD display,can show song name and FM channel   5. Built in 900mah li-battery   

 6. Frequency Range:80-2000HZ 

crystal ball

protable speaker with FM function,USB mini speaker/crystal ball