Portable wireless Bluetooth speakerBrand neutral Type Bluetooth speaker Connection method Bluetooth connection Interface type USB Battery capacity 2000 mAh Frequency response range 20HZ 20KHZ Output power 4 ohm 5W*4 S N ratio 80db Power supply mode Built in lithium battery Expansion storage 32GB Number of speakers 2 Effective distance 10 meters Function card, radio, voice prompt Operation mode Button Applicable people Shell material plastic Box material plastic LOGO can be printed
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