USB speakers(Total 4 Products)
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Multimedia Speaker with SD/MMC Cards and U-disk Slot, Supports FM Function
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USB Speaker with TF Card Reader and USB Slot, S/N Ratio over 65dB
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Mini Speaker with Rhythem Display, 80Hz to 18KHz Frequency and Built-in 800mA Battery
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Mini Speaker with LED Displayer, 800mA Battery Capacity and 3.7V DC Operating Voltage
