Reflex Active Series 4 Smart Watch With Colour Touch Screen and Up To 7 Day Battery Life RA04-1000

does it read heart rate/blood pressure?

is this product(reflex active 4 watch) subject to tax or custom duty in Ireland

Does this require to be near your phone to perform step tracking functions? i.e. Can I leave my phone at home and go for a walk with just this?

Is the strap rubber or leather