product description:

Digital echo system, adjustable echo size, delay speed and number of repetitions.
Special digital reverb design, the microphone sound clear, natural, successful, tail clear and not shrinking.
Microphone bass sound quality for the independent control, can make up for the lack of poor microphone low frequency.
Automatic computer pick singing function, so you can sing better you are not familiar with the song.
Audio and video synchronization switch.
With a mute circuit, automatic noise removal.
Home theater with the best, to achieve you buy a cinema and dance hall home wish!