SONICGEAR TITAN 3 BTMI is a 2.1 channel stereo Bluetooth speaker system with a variety of features. It includes a subwoofer and two satellite speakers, offering a total system power of 24W (12W RMS). The system supports Bluetooth 4.2, USB, TF card (max 32GB), and FM radio playback. It also features a 7-color light display synchronized with the music.