Alto-falante bluetooth de microfone duplo sem fio de alta potência de 40 W, subwoofer estéreo para festa em família ao ar livre, coluna central de música KTV/cartão TF

40W high power wireless dual microphone bluetooth speaker outdoor family party KTV subwoofer stereo music center column/TF card YS203 parameter description ◆ Support various smart phones of Apple and Android systems. ◆ Speaker power: 10W ◆ Signal-to-noise ratio: ≥115dB ◆ Frequency response range: 20～20KHZ ◆ Audio source interface: 3.5mm stereo headphone plug ◆ Built-in 3000MA lithium battery ◆ Charging time: 3～5 hours ◆ Play time: 5-8 hours with full charge and intermediate volume ◆ Power adapter requirements: output voltage: 5V current 1A/2A ◆ Color box size: L15.5*W15.5**H17cm ◆ Function: with TF card/insertion of u disk/with voice changing function, two microphones Accessories: charging cable, audio cable, manual