OPOLAR Portable Travel Mini Fan with 3-13 Hours Battery Life for Camping, Personal Battery Operated or USB Powered Handheld Fan, Internal Blue and Side Light, 3 Speeds, Quiet, Rechargeable
- ... fan runs on 5 volts DC, which is the USB standard. You need to plug the fan into a USB port for power like a USB outlet, computer, laptop or power bank and so on. This handheld fan will work on 110 or 220 volts which can be carried to all over the world. One year warranty is included to increase your confidence in OPOLAR..