Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.Start recording when you plug into the smartphones or PC, and just 1-button press or sliding slider to activate the variant sound functions. it is suitable for beginners to live broadcast .Imagine the audio frequency range as a very wide highway with lots of “lanes”. Each of these lanes represents a specific frequency band. The lanes on the left side contain the really low frequency content, mainly bass, bass vocals, and the kick and tom drums The middle lanes make up the fundamental zone of most musical instruments and the male and female vocals The right-hand lanes have all the high- frequency stuff, such as snare drums, cymbals, higher pitched percussion instruments and the content that adds sizzle to the mix.allowing you to effectively cut or boost a slew of frequencies to help bring focus to your sound. Special attention has been paid to the critical midrange frequencies, which can easily make or break your tone.