Yes According to the inquiry, official website of Yijia mobile phone shows that Yijia mobile phone is equipped with a double-ring magnetic speaker, which supports Dolby panoramic sound and has the function of listening to Tik Tok. One Plus was founded on 20 13, and its headquarters is in Shenzhen, China. One plus 202 1 is fully integrated with OPPO, which is the pioneer brand of OPPO's main performance.