Smart Touch Screen DesignIt Combined with Smart Touch Screen technology and Echo Dot design,Sensitive touch offers you funny control. Gently touching with your fingertip easily achieve switching the songs and volume control and taking the calls.A fun gift that's guaranteed to bring a smile. Full, High-Def Sound with a small bodySuper compact design ,40mm 5W driver, 3D Digital audio processor, with subwoofer resonator, You want a loud sound during the meeting? When watching a movie on a computer, at home party, you want a larger volume, better sound? all satisfy you!!!