output power:3W+3Wfrequency response:150Hz-18KHzinout sensitivity:≥80dbli-ion battery:3.7V 600mAbuilt in:audio decorder systemworking voltage: DC5Vsuitable for PC/MP3/MP4/DVD playeruse USB wire to charge
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output power:3W+3Wfrequency response:150Hz-18KHzinout sensitivity:≥80dbli-ion battery:3.7V 600mAbuilt in:audio decorder systemworking voltage: DC5Vsuitable for PC/MP3/MP4/DVD playeruse USB wire to charge