quickly mastered how to control the little speaker.Shu Tinglan hadn't finished reading the instructions for the children's Bluetooth speaker, but the two kids were already having a blast playing with...ture.Shi Yan hugged her and sincerely praised, "Yo yo, you are great! If you want to do it, just go for it boldly."He was very encouraging of her support.Lin Zhihao said: "Many people think being an i...