Hight quality speake support FM, SD,TFcard, SD and TF TWO card slots with USB SOUND CARD/ 900mah battery with LCD display *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 protable speaker with FM function,USB mini speaker
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