USB2.0 Mini Portable Speaker 1.Support TF card and FM radio 2.Light,portable ... weight 4.with multimedia Professional USB 2.0 Mini Portable Speaker with FM RadioMain Description 1. R.frequency:90Hz-20KHz2. Rated ... function. *With LCD display, support lyric, time, alarm clock. *Loud speaker: 1.77 inch(external diameter 45mm). *Line in: Configure 3 ...