It is a free voice software developed by Guangzhou Duowan Information Technology Co., Ltd. based on the Internet team voice communication platform. It is powerful, clear in sound quality, safe and stable, does not occupy resources, and has a good response. It is suitable for gamers.

It is usually expressed by YY on the Internet. General online battle games use it for voice communication, such as CF, League of Legends.

YY also has live videos of various gamers.