DOUNI A7 20W Classic Loudspeakers wireless Speaker

 1,Charging Voltage:5V
2,Output Power:2*10W
3,Frequency Response: 50HZ~20KHZ
4,Lithium Battery Capacity:4400mAh
5,THD<0.5%
6,SNR:>90dB
7,Item Size:190mm*60mm*70mm
8. It is a Loudspeakers that allows you to take your music with you anywhere you go
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