LED Fan：A unique headphone design that perfectly releases your hands. Double-headed fan with three light modes (seven lights, white lights and no lights). The rainbow lights are cool at night and are perfect for night runners | Aromatherapy Fan：With two aromatherapy boxes, you can add perfume or anti-mosquito oil through the hole. Aromatherapy helps you avoid the lingering sensation of sweat | USB Rechargeable Fan：USB interface is convenient for charging, 2000mAH 3-4 hours fast charging, batter life 2.5-8 hours (high speed 2.5 hours, medium 5 hours, low speed 8 hours). Cool all summer | Sport Fan：Hand free personal fan, very suitable for wearing on the neck while running (may have bumps can not maintain the shape of the silicone arm). Freely bend the silicone arm for a variety of scenes, sports, desk, office, travel, etc | Note: For long-haired people, please tie the hair when wearing the fan to prevent it from being stirred into the fan. If you are not satisfied after receiving the product, please feel free to contact us at 100% refund.