Review on BESKAR USB Desk Fan: Powerful, Portable and Quiet Mini Fan for Home, Office, Bedroom and Desktop by Jacqueline Chavez

This is in case of power failure or after an earthquake. That's why I'm looking for USB fans with built-in rechargeable batteries. At 4ft, even at low speed, I can feel the breeze. While sitting next to me I substituted a desk fan and a square fan with it. Now we don't have to get up to turn them off. I charged it with a solar cell phone battery, no problem. Now I connect it to the UPS battery USB port. My wife very quickly seized the silence ... Husband gave up. I am deaf in my left ear. Even placing it to my left, I still hear a high-pitched tone. Oh.