Turning on/off by tapping on subwoofer. while turning on/off, a limited redness light appears for 3 seconds. On each half of sub woofer; by rubbing your hand to the right orient, the volume will +(up), and rubbing to the left, the volume will -(down). The small speakers have bluetooth conection from subwoofer. The logo at the back, is like a tatoo. All the mentioned functions can be perform with today technologies. This design not produced yet.