Product Features: 1. Pioneering 3D dynamic song, the unique 3D dual-core processor, SG-818L is the Pioneer of the dynamic 3D interactive era. 2. Double PIP paint of paint, add song speed for general 10 times the speed above. The speed of add song is faster more than 10 times than the ordinary products. 3. HD preview and preview breaks make you enjoy the funny of singing. 4. Exclusive BBE timbre optimized compensator. 5. Super sogou function, unique 360-degree picture scroll. Specifications: 1. Audio interface: A set of R, L channel 2. Video interface: One HDMI interface, two AV outputs 3. Mouse interface: One PS/2 4. Standard USB interface: N/A 5. RJ45 interface: Two 6. IR interface: One 7. Optical fiber output port: One 8. In-line output port: One 9. VGA output interface: One 10. Others: Two sets of song-guiding interface.