Smart Wrist Watch Unitech Arcadia — not working properly

I ordered smart watch smart watch in online from smart watch watches unitech arcadia, office no 814-b, sector 49, gurgaon, order no : sw32148, but when i received from blue dart courier on dated 30.04.19 not working properly. So try to return but neither mail response nor any contact number available. I m very disappointed with this type of online services. I want to return or rs 2099 return back..,