AOUGO Battery Operated Fan, usb Oscillation Fan with 4000mAH Rechargeable Battery, Portable Mini Fan for Stroller, Car, Gym, Office, Outdoor, Travel,

Fast Charge: There are 4000mAh batteries built into the fan and it supports fast charge. After 4 hours to fully charge with 5V/2A input, it works continuously for 4.5-40 hours. Oscillation Adjustable: 360° verticle and horizontal manual rotation allows you to freely adjust the direction of the wind, 80° automatic oscillation provides extended coverage. Feel cool from every angle. Three Speed: Low speed, natural and powerful. With the fan speed adjustment, you can adjust the wind speed to the most comfortable level. Powered By USB or Battery: The fan is battery powered, it is compatible with the charging adapter usb, power source, laptop, etc. It's convenient to use indoors and outdoors! Compact Size: With 2 in 1 design, our desk fan has aromatherapy function, You can add essential oils to add a different taste to your summer. It is lightweight and portable (21x15cm), perfect for stroller, home, office, camping, travel, etc.