Li-Ning Rocks N33 badminton racket is smart stream-lined shape renders the Rocks N33 low air resistance. The Li-Ning Cai Yun Rocks 33 is a lightwer weight racket with even balance feel. It is an excelent weapon for playing close to the net where quickness and reflexes are needed the most. With superb defense characteristic, the Li-Ning Rocks N33 racket still provides good power for aggressive play making the racket excellent for all-around and aggressive playes. Li-Ning Flame N33 badminton racket is taylor-made of Cai Yun, one of China national team top men doubles player and top doubles player in the world.

The racket name "Rocks" came from the adage in Sun Tzu Art of War that stated, "When in movement, be as swift as the storm. When in tactics, be as intricate as the woods. When in aggression, be as ferocious as the flame. When in stillness, be as steady as the rocks".