Material: ABS+PP+electronic components Product size: 18.8*9*4.65cm Color: pink, white, blue, green Input voltage: DC5V Battery capacity: 3000mA Cycle times: more than 500 times Battery voltage: 3.7V Use time: about 8-12 hours Specifications: 1. [Battery capacity]: Built-in two 3000mAh high-performance lithium batteries, the USB charging fan can work for 6-13 hours when fully charged. This mini fan is compatible with all USB ports so you can charge it from any USB device. 2. [5-speed adjustable wind speed]: Five-speed wind speed to meet your needs in different occasions. In addition, it adopts a one-button design, which can switch between different wind speeds with one button. Press and hold for 3 seconds to shut down. 3.[Digital Display Design]: The folding fan has a clear digital LED display, which can show you the exact battery level and current wind speed when it is working. It acts as a low battery reminder to remind you to charge this portable fan in time. 4.[5 Blades]: The fan is designed with 5 blades to maximize airflow for cooler and softer wind. Additionally, the removable fan cover ensures that you can easily clean the fan to prevent allergies caused by dust buildup. 5. [Foldable]: The folding fan can also be used as a mobile phone stand. Each fan is equipped with a lanyard, which can be hung around the neck to enjoy, release your hands, and cool down in one second. Package Included: 1*fan 1*Charging cable