product parameters: Product name: mini fan bladeless fan Rated voltage: 5V Rated power: 6W Product weight: 516G Air velocity: 3M/S Material: ABS Air volume gear: two-gear mode (natural wind/refreshing wind) Feature: Very comfortable 100% natural air: This bladeless fan use the technology to optimize the air The fan blow 100% natural air, no choppy air, gives a steady breeze It suits children, pregnant woman, the aged Very safe no fast-spinning blades, doesn't hurt finger. No fast-spinning blades, doesn't hurt finger. Easy to clean no awkward grilles and blades. Don't need to disassemble, just use cleaning cloths scrub. Ring design the table fan like a ring, it's looks very elegant, which's bottom is heavy, so it's more stable. Dimension: 27 x 17.3 x 13.1CM,American plug Notice: 1. The effective distance is five feet. 2. No sponge device, won't blow the cold air, 100% natural wind. 3. Because of the choppy airflow, the fan have some loud, 30-60 decibel. 4. This fan does not move much air, if you dreads hot, you'd better blow air conditioning. 5. For the crowd: The elderly, children, pregnant women and some people who are not suitable for living in an air-conditioned. Are you worried about your child has a cold after blowing cold air-conditioning