F&D F380X 2.1 Bluetooth Multimedia Speakers. Product details: • 3-inch full-range driver for satellites • 5.25-inch bass driver for subwoofer • Innovative automatic multi-color LED • Bluetooth 4.0 version with NFC support • SIG certified product • Bluetooth range up to 15 meters • Plug & play USB/SD card reader • USB reader supports MP3/WMA dual formats • Uninterrupted digital FM with PLL technology • FM storage for up to 100 stations • Bright white LED display with wide viewing angle • Enjoy full, clear sound with powerful bass • Fluorescence full-function remote control.