probably ECG and Blood pressure won't work in Sri Lanka. It's not supported in our region. You can mod it though.
I'm still using my galaxy watch 4 classic. ✌️
Over ear headphones with active noise cancelling try karala balanna. music play nokara noise cancelling on karala dagena wada karanna. over ear nisa kana thalenne ne. comfortably paya ganak dagena inna puluwan.