this fan is really underpowered I expected a little more but that's why it wasn't expensive.I use this to keep my laptops cool when working for long hours. Silent as a breeze in the wilderness. I love it, even though it took “ for ever” to arrive and is a bit pricy. I am thinking of getting a second one.Please read the instructions on the box:- Wet hands do not touch when the machine- Not a strong vibration and shock in this article- Use of the goods, if sparks occur, the case of smoke and odor, turn off power switch and pull away from the plug to connect the computer equipment, the stores with the purchase of contact to deal with.- Do not open the fan its own network or decomposition of the first modification of this commodity.-Not in this commodity and its power to place heavy objects online.Arrvd on time & well pkd. Well, except the box was crumpled & dented. The fan seemed fine, altho I won't know for sure until my grandgrrl gets it. It a bday gift to keep her computer & her cool while working. I don't have a computer to plug it into. So I couldn't test it.At first I thought the color was more pastel than the photos show it. When I looked a little closer I realized this is not the same item as the listing. Which is most noticeable across the front when the writing isn’t in English and didn’t look like the listing front of the fan shown in the listing photo. There a few other differences as well.Took a while to get here but is working like a charmThis is a super little desk fan. I love the retro design and it def pumps out some nice air for its small 5v motor.Perfect next to the bed or desk