2 in 1 trusculpt ID Flex machine working principle.
ID function which will permanent destroy fat and flex which will help to tone and sculpt muscle use them together,you will get the new body experience. A non-surgery, non-invasive treatment for permanent fat destruction. 
During the treatment,it feels like heating pad,you can feel when one area's applicator lights up,it heats up and then just goes to another area in a totally comfortable,painless way.Just 15 minutes of trushape ID,can reach 24% fat reduction.
Trusculpt flex uses electrical simulation of the muscles to help the contract.Which is direction of simulation to help the muscle fiber get stronger more robust,and simply put it in a 45 minutes and it's like you doing 54000 crunches.Technology that can treat 8 areas remarkable results in 45 minutes with that little applicators.
So as you can see that muscles are shaking and moving but not painful.Some slight redness and local swelling usually lost about 24 hours,And you definitely will get a way shock for it amazing results.