A few days ago, the Shanghai World Tour became a hot topic. Phelps, who is looking forward to it, has another new. "Weapons", A sportswear with sensors. The weapon was provided by his famous brand Under Armour, which opened its first store in Shanghai today.

Speaking of this "secret weapon", founder Kevin said, "before, Phelps has already dressed in our" E39 "training, he said that it was not bad, but also marveled at the powerful function of this little clothing.

This new swimsuit, called "E39", uses a new technology to wear this sensor. Special swimsuit It can send signals to the computer and monitor Phelps by the computer at the edge of the field. Body condition For example, body temperature, heart rate, respiration, etc. In this way, he can understand his fatigue and adjust his rhythm effectively. Kevin also said that this technology has been widely used in the US NFL.