The perfect gift. The magical plasma ball acts as a brilliant mood light, creating joy and conversation at family gatherings and gatherings of friends. It can also display physical science phenomena and stimulate children's interest in science. This is a mystery gift for adults and children. touch mode. When you touch the light of the plasma ball, it will produce a lightning-like glow effect, and the light changes with your fingertips, and you are a magician with mysterious power. voice mode. Play music with obvious rhythm above 80dB or clap your hands loudly, the plasma ball light will flash rhythmically with the sound. This is the best response to your cheers at a fun party. The control keys have three positions. They are power off, touch function and voice control. Touch mode and voice command mode are independent of each other. Please confirm the position of the switch when using it. Important note. When the ion ball is working, heat will be generated on the surface of the ball, which is a normal phenomenon. To avoid overheating, it is recommended to turn off the power for a period of time every 1-2 hours to cool down.