USB RechargeableRechargeable 2000mAh battery (built-in), no need to purchase additional batteries. This mini portable fan with standard USB ((Type-C)) port can be charged and powered by laptop, desktop PC or portable power bank, and more.3-SPEED ADJUSTABLEMini handheld fan supports 3-speed adjustment. When the wind speed is in gear , gear 2, and gear 3, the battery can be used for about 2hours, 6 hours and 2.5 hours, respectively. Press the power button repeatedly to adjust the appropriate fan speed.MULTI-FUNCTIONAL DESIGNThis hanging mini fan can be desktop fan oror handheld fan to satisfy your different needs with fashion design. It come with a removable lanyard, you can hand on the neck, clip on the belt. Perfect for the daily commute, Also suitable for office, picnic, sleep use.Stylish and portableThis mini portable fan only measures 8.6*8.6*5.7 cm/ 3.5* 3.5* 2.2in,compact and easy to carry in your pocket and backpack, suitable for indoor and outdoor use. Excellent design and high-quality materials increase the sense of fashion, not just a personal fan, but a work of art, unique.COOL GIFT IDEASBest friend gifts for women; A cool fan gift idea for her, best friend, bestie, sister, long distance friend, loving friend, girlfriend, female friend, mom friend, school friend, coworker, boss friend, roommate, hostess.