HIGH-FIDELITY & POWERFUL - 2x5W quality acoustic drivers, passive vibration, aptX Lossless and Bluetooth 3.0 technology combine to deliver full, natural sound, strong enough to fill up a large living room without distortion VERSATILE MODES - Switch between Wireless Bluetooth,FM Radio, Micro SD card, USB flash drive and AUX-in. FM Radio auto presetting and last station memory help access to your favorite stations quickly despite lack of LED display