Hatsune Miku is a Japanese virtual idol. She is not the first Japanese virtual idol, but she's the most successful.
And China, well, China now has its own virtual idol, which recently apparently on television.
Online, people are calling this Chinese virtual idol a Hatsune Miku rip-off, complete with a Vocaloid sounding voice. I'll just stick with annoying.
【Vocaloid？】This Hatsune Miku? Is fake [YouTube]