hi guys, anybody using this brand?
i find that, no matter i set to high medium or low, it hover around 30-40
is this normal? or i need to go exchange?
and when i bought this from harvey norman, there is no warranty card, only receipt...
can i send for warranty with just receipt?
i find that, no matter i set to high medium or low, it hover around 30-40
is this normal? or i need to go exchange?
and when i bought this from harvey norman, there is no warranty card, only receipt...
can i send for warranty with just receipt?