Standard shipping is by letter without tracking number, if you require tracking you can upgrade at checkout.
Normal delivery times:
Denmark: 1-2 days
Sweden, Finland, Norway: 2-6 days
EU: 3-6 daysRest of the world: 5-15 days
These are the estimates given by Post Nord (the Danish state post), sometimes it takes longer due to unforeseen events (e.g. corona) or custom handling times.