4.Power Supply Function: Enjoy the best of both with our Waist Clip Fan, not only does it keep you cool, but it also acts as a portable power bank. The built-in USB output interface ensures that your devices never run low on battery. 1.Smart Monitoring: Adopt advanced digital display technology with clear visibility and easy control. Our Waist Clip Fan's intelligent digital display design lets you effortlessly check wind speed gear and battery information. 3.Enduring Coolness: Experience enduring coolness outdoors with the Waist Clip Fan; equipped with a high-capacity battery for all-weather outdoor activities, enjoy long-lasting breezes without interruption. 2.Wide Range of Uses: Equipped with a standard lanyard for multiple uses, clip our Waist Fan onto your waist, suspend it around your neck, or place it on your desk for efficient cooling. Its flexibility and hands-free design perfect for outdoor activities. 5.Eco-Friendly Cooling: Utilizing a high-efficiency DC motor paired with excellent heat dissipation, this waist clip fan provides a comfortable experience while providing powerful and -saving cooling, making hot summer days a breeze.