ACEMILE THEATRE BOX CBT612 360 Degree 3D-Sound Portable Speakers, Blue 360 degree hi-fidelity 3D sound field so you are in the "sweet spot" anywhere in the room 4.1 system (four 2 inch full range drivers, one 3 inch powered bass driver) delivers up to 125 watts of power Built-in microphone for hands-free calls (Bluetooth conference call) Connects via Bluetooth 4.0 and mobile devices with NFC or a 3.5 mm stereo cable (included) Plays music up to 30 feet (10 meters) from any Bluetooth-enabled device such as your smartphone, notebook or tablet