And as you can see, the red dot is tracking his movements very accurately, purely based on how his body interacts with the surrounding wireless signals.
وكما ترون فالنقط الحمراء تتبع حركته بدقة عالية، وهي تعتمد بشكل أساسي على تفاعلات جسمه  مع الإشارات اللاسلكية.