Following balloon lamp / lighting

It’s a floating balloon lamp made of AL film filled with a LED light and helium.
Besides,there are also equipped with infrared sensor and motion control chip
connected by a single chip under the balloon. By adjusting the weight of this electronic components,keep the balloon’s balance and make it float at a certain height.
This balloon lamp could be turned on or off by applauding and follow people to
move slowly,which would be a perfect interactivity!