Mr Fit Tracker — look like a local made, no response from company

Address:

Thiruvananthapuram, Kerala, 695011

Useless product,
Its not good product, local made, also no invoice, customer service also fraud.
They said 7 days money back guarantee, but they are cheating nobody will callback. No responses from customer care. Dont trust guyzzz.
I am a victim.
Now 3 days goes. I am trying to return it and need my cash to back.
I am emailed to there address ([protected]@mrfit.in)no response from there.
They are cheating...