Fill the room with powerful wound with the Theatre Box 3D Sound Portable Speaker. The intricate 4. System has four 2-inch full range drivers as well as one 3-inch powered bass driver to pump out your tunes at an amazing 125 watts of power. Connecting via Bluetooth, NFC technology, or through the included 3.5mm stereo cable, the Theatre Box delivers 360 degrees of sound to achieve a virtual 3D effect. This means every spot in the room is the sweet spot for crystal clear music with rich bass. Working up to 30 feet away, the Bluetooth function also works with the built in microphone for hands free calls. The top is equipped with touch controls for changing tracks, enabling Bluetooth, and adjusting the volume. Experience the rich, room-filling sound of the Theatre Box 3D Sound Portable Speaker.