Creating Comfortable Environment: When you're cooking in the kitchen, dining at a restaurant, having a picnic or camping outdoors, flying creatures always seem to be your biggest nuisance. This fan can solve that problem for you. As the fan blades rotate, those annoying flying creatures won't be able to get near your food. It can create a comfortable environment for you to enjoy clean, fresh food and spend happy times with your friends. 3 Pieces Fan Blades Design: The fan blades are made of 3 pieces plastic soft blades with a metallic texture on the surface, the perform better than the one with only two fan blades. There are some reflective patterns be printed on the blades. When the fan blades rotate, these patterns reflect light and create a dazzling visual effect. Flying creatures perceive this reflective effect as a danger and stay away from the area. Dual Power Supply Mode: This fly fan for tables can be powered by either a USB cable (included) or 2 AA batteries (not included). If using the USB cable, it can be connected to any USB power supply such as a power bank or laptop. However, please note that the USB cable cannot be used for charging the batteries. This fan is extremely energy-efficient and consumes very little power. It does not produce any kind of disturbing sound. Hook Design: This fly fan be placed on a tabletop or hung upside down using the hook at the bottom, making it incredibly convenient to use. A single fan can cover a dining table for 1-2 people, but for larger tables, multiple fans may be required. We offer a pack of 4 fly fans to cover a wider area for gatherings and celebratory occasions.