There are two different versions of Mythware language lab software.
This version provides one voice box for teacher side only. For some schools or individuals who may have limited budget, standard version is a good choice as it can provide the best performance with the least money.
On the basis of standard, the pro version provides voice box for each student. For some schools or individuals who pursue high voice quality and low delay during the voice transmission in the language learning class, our pro version is what you cannot miss.