Best Black Rechargeable Portable Wireless Speaker For Computer

Best Black Rechargeable Portable Wireless Speaker For Computer Quick Detail: patent technology Original design Twisting for volum turning down and up. Unique style and shape. Specifications: Output Power 3W SNR 80db above Distance 10-30 meters Audio Socket 3.5mm stereo jack Frequency Range 18Hz-20KHz Impendence 4ohm Distortion Factor ≤0.5% Patent Technology Vibrating technology Playback Time More than 8hours(depend on the music and volume you play) Color Black/Red/White