I think it is a number one waste online side.it show more feature but some time it fail.product of naaptol is not working praparly after some days.the add of the naeptol is fek.it show something but give something. The product of naapol having more problem. I am buy a sona belt it work some day after it not work .the warrenty of company is not give 100% of actual product.the ptoduct of naaptol having more problem like colour less in some days, technical problem , praparly not functional , working process is not good . Sir if you have problem in naap tol company then comment me.
Thank you