Engineered with ABS materials, this small cooling companion ensures convenience while withstanding daily wear This portable USB rechargeable fan features carrying option (neck, waist, handheld), LCD display for time speed / power, and a 1800mAh battery supporting 3-10 hours of continuous use cooling with the DQ239 5 speed neck hanging fan, powerful adjustable airflows in second and simulating natural breezeing for comfort during outdoor activity Suitable for all ages, its touch operations and lightweight ABS construction make it particularly user friendly for elderly users and children in hot environment At concerts, camping, cycling, or desk work, fan adapts to gardening, hiking, travel, and indoor / outdoor needs