S7 Powerful 8000Mah Battery Bluetooth Speaker Portable Wireless Column Subwoofer Hifi Home Theater Music Center Fm/Tf/Aux 777178633421

ChaoChuang

Specigications: Input Voltage: DC5V SNR: 85dB Sound Track: Duplex Distortion: up to 1 Transmission range: up to 33ft Dimension:...