Product Description: 1.The buttons are made of skin-friendly silicone materia.buttons can be heard, 2 buttons are silent! The steel ball can slide or press! 2. The gears slide without resistance, the same as theoriginal 3. The rocker has a built-in magnet, which can be pullecout,and can be automatically returned after shaking itback and forth, left and right! 4.The switch button has a built-in magnet, and the sounds crisp! Feels great!