[Strong and Quieter Wind] Compared with the three-bladed fan, this portable neck fan is designed with 4 blades and two heads, providing stronger cool wind from both sides. The ultra-quiet motor lets you enjoy the cool, noise-free feeling you want. Wear the fan around your neck and keep it away from hot flashes. [Free your hands] The ergonomic design is 190 grams lighter. Made of highly flexible soft silicone, the fan can be adjusted 360 to suit your needs. It can be worn comfortably around the neck, can be easily placed in a suitcase or backpack, or it can be placed on a table as a desk fan. A must-have gadget, suitable for those who suffer from fever in work, sports, travel, hiking, camping, concerts, outdoors, etc [6 speed options] It There are 3 wind speed modes, which can meet personalized requirements, the cooling speed is faster, and the maximum speed is 5.1m/s. Natural wind mode is more energy-saving. [Durable Battery] Built-in high quality 1200mAh rechargeable battery, supports 2-9 hours working time under different speed levels. In natural wind mode, it can last up to 16 hours, which can meet your various needs on different occasions.