Maybe you normally use a hand pump to blow up balloons, they're cheap, but it takes a lot of effort and time especially when you need a bunch of balloons inflated in a hurry.

But this electronic balloon pump will save you from that, it can help you blow up hundreds of balloons in super-quick way, you might pay more for the unit, but the time you save is much more valuable. And it is also very light weight, compatible with all typical round balloons and easy to carry anywhere.