【2 in 1 Metal Fidget】：Front rotation with silent;when you spin the top with the bottom facing up,it makes a clear and crisp tuning fork voice,enhancing relaxation and alleviating anxiety 【Best Anti-Stress Stress & Easy to Carry】: Great for releasing anxiety, relaxing, staying awake, release the nervous energy, Improve focus and help ADHD. 【Rotation Time & Glow in the Dark】: INNOPLUS fidget spinner rotation time is 2-3 minute average, The rotation time is controlled according to the external force, The great the power, the longer it lasts.Fidgets spinners need absorb 60 seconds of light under the light conditions (sunlight, mobile phone rear light, etc.), then Release light in the dark environment, which is very interesting. Helps you calm down while stressful, kill you time while you are boring.