Hello guys it is an amazing product by Nike it really gives you an energy to do things which you are willing to do. Ya of course it is too costly but let me tell you it is such a product which gonna motivate you for doing your work and to stay fit. OK being honest it is not for students like it’s not a toy to play with. It is useful for athlete’s, footballer’s, sportsman. So that they can achieve a good level in their work. It really provides good informations like how much you walk today, your heart rate etc one more thing it shows per day data, per week data, per month data and per year data which is just awesome. Its battery life is amazing charge for one day and use it for another 3 days without charging it. So guys especially who want to keep their body fit for them I will say go for it. Its gonna rock your each single day of life.