Advantages - 2.5" full range driver for satellites - 5.25" bass driver for subwoofer - Innovative automatic multi-color LED - Bluetooth 5.0 version - Product qualified by SIG certification - Bluetooth operation range up to 15 meters - Plug & play USB - USB reader supporting MP3/WMA dual formats decoding - Uninterrupted digital FM working on PLL technology - FM storage up to 100 stations - Bright white LED display with good view angle - Full, clear sound with powerful bass - Fluorescence full function remote