- Experience rapid cooling with our upgraded portable fan featuring innovative turbo fan blades and a wind hole design, boosting air volume by 70% to keep you refreshed on hot summer days. - Customize your comfort with a simple press of the power button to adjust fan speed. The built-in 2000mAh battery provides 3 to 6 hours of operation, while the fan offers three distinct airflow modes: low, medium, and high. High speed delivers powerful airflow for the ultimate cooling effect, while low speed offers a gentle breeze. - Designed with your peace in mind, this USB rechargeable neck fan incorporates the latest noise reduction technology for ultra-quiet operation. It's compatible with various charging sources, including computers, mobile chargers, and power banks. Suitable for all ages, the bladeless design ensures safety, so you don't have to worry about hair getting caught. - Weighing only 8.1 ounces, this ultralight personal neck fan minimizes strain on your neck during extended use. Its comfortable fit makes it ideal for a variety of scenarios, such as outdoor activities, working at your desk, or relaxing at home. - Durable and portable, this neck fan is perfect for anyone seeking relief from heat, whether you're at a picnic, attending a sports event, or just enjoying a walk. Stay cool and comfortable wherever you go with our effective and user-friendly neck fan.