The first is that it can be a drain on battery power for mobile wireless devices like smartphones, though as the technology (and battery technology) has improved, this problem is less significant than it used to be.
Nke mbụ bụ na ọ nwere ike ịbụ drain na batrị maka ngwaọrụ ikuku efu dị ka smartphones, ọ bụ ezie na nkà na ụzụ (na teknụzụ batrị) abawanyela, nsogbu a dị ntakịrị karịa ka ọ dịbu.