I want it that way
The duo are called "Back Dorm Boys" (parody of BackstreetBoys) and they are students at Guangdong Arts Institute. After their spoof music video "Radio in my head" was released in China's web portal, Motorola China has asked them to endorse their new mobile phones. They're turning into quite the celebrities a la William Hung.
Here's the link to their "performance" of I Want It That Way by the Backstreet Boys. It's hilarious. R. Kelly's Ignition is covered also, right here.
Apparently, lip-syncing is pretty big in the Far East.
They call it Karaoke.