The Windstorm technology included in the Li-Ning Windstorm 72 badminton racquet delivers a feather-like 72-gram weight racket and makes this racquet flag bearer of speed and control. The racquet promises a head-heavy balance which means that the weight is distributed towards the head of the racquet, giving you a thunderous rush of power along with a flexible shaft which ensures that along with the power, you get a sense of control over your fast-paced game. The racket ensures faster swing speeds which will significantly improve the reaction time of the player and will make you unstoppable on the court. About Li-Ning: Li-Ning Company Limited is a Chinese sportswear and sports equipment company founded by former Olympic gymnast Li Ning. The company endorses a number of athletes and teams worldwide. Is the racket unstrung? Yes, the Li-Ning Windstorm 72 Badminton Racket is an unstrung badminton racket.