the vibration is simply too weak for a drummer. It can work very well with other musicians, but I would not recommend for a drummer. Tried on the chest, pulse, feet... I also thought that the display would be a nicer one, like apple Watch or even the cheaper Chinese versions of smartwatches, but... the display is one of the cheapest versions you can find. You cannot increase the size of the display... Don´t waste your money with this....