- Experience rapid cooling this summer with our upgraded portable fan, featuring innovative turbo fan blades and a unique wind hole design that increases airflow by 70%. - Customize your comfort with the adjustable fan speed settings. The built-in 4000mAh battery offers 8 to 12 hours of operation, making it perfect for extended use. Choose from five modes: weak, low, medium, high, and super high speed. High speeds deliver powerful airflow for effective cooling, while low speeds provide a gentle breeze. - Enjoy ultra-quiet operation thanks to advanced noise reduction technology. This USB rechargeable neck fan can be powered by a computer, mobile phone charger, or power bank, making it versatile and convenient for any situation. Its bladeless design ensures safety for both children and the elderly. - The dual-axis adjustment feature allows for a comfortable fit regardless of body size, with an adjustable angle of up to 45 degrees for personalized positioning. - Ideal for outdoor activities such as hiking, picnics, or sports events, this neck fan is also perfect for indoor settings like the office or home. Stay cool while working, relaxing, or exercising without the distraction of bulky fans. - Lightweight and portable, this neck fan is designed for all-day wear, making it an essential accessory for anyone looking to beat the heat efficiently and comfortably.