Polar loop fitness tracker with 3 straps

Polar loop fitness tracker activity band with two extra straps grey green and brown straps cost over 250 new a few months ago but barely used like new as have a samsung watch i use more . This is a serious bit of kit and not like whoop and other ones where you have to pay monthly subscription this is 100 % free ! It tracks all physical activity , sleep , calories , etc and gives daily recovery scores first to see will buy can post at additional cost apple watch samsung garmin