It's a special effect of a dragon. Sending out the mobile phone will vibrate. Users can choose songs through this software, shoot music works to form their own works, or start live broadcast. Players will send gifts, including gifts from dragons with special effects and vibrations. Tik Tok, a short video social software with musical creativity, was hatched by ByteDance. The software was launched on September 2, 216, and it is a short video community platform for all ages.