Dual power supply mode- The fly fan for table can be powered by USB cable(included) or 2AA Batteries(Not included) . With the USB cable, it could be connected with any USB power supply like power bank, laptop, etc. The USB cable cannot used for charging batteries.Super low power consumption fly fans Holographic blades with reflective pattern The holographic pattern on the blades of fly fan refracts the light while spinning, creating an unnatural environment for fly. They see this disruption in light as a danger, and as such, will keep away from you and your food & beverages Most valuable and amazing gifts The food fly fan is definitely coolest gift for your friends, family etc. It will bring whisper quite, peace and clean meal time to everyone. Simply switch the fly fan on and get ready to enjoy the outdoors in peace and quiet Gentle SOFT-STOP Flexible BLADES Soft-touch blades of our table fly fan are designed to immediately stop when they contact with any object or hands. Without worrying about hands getting hurt in any case Truly Portable fly spinner fan for carrying anywhere There is a rope handle in the box of the fly fans. It allows you to carry the fly fans for grilling, picnics, BBQs, pool parties and entertaining guests on the deck, porch or patio