sensor

Liang Ge Liang first modern defender. His signature blade is stiff and medium soft with very high throw. I think outer is balsa because Liang loved that material, I can spin better than all koto/limba zlf/zlc/alc carbon blade. Is there someone who had the opportunity to play with that blade...

Hello, has anyone tried USENSE tennis sensor in table tennis? http://www.ubc-tech.com/en/tennis.html https://www.amazon.com/Usense-Intelligent-improve-analyze-percentages/dp/B01MY2AHRF Seems interesting. Shot speed, swing counts, daily analysis, etc. Or can you suggest some similar equipment?