When you are studying or working, the portable fan with the low noise design could create a quiet environment for you. And it could firmly stand on the table with a non-slip pad. There are three levels of adjustable fan speed of the desktop fan to satisfy your demand for a calm breeze or a strong and cool wind in summer. It is made of plastic and metal material. The length of the fan is 16.8cm, the width is 13.1cm, and the height is 4.4cm. It is perfect for home, office, dorm, library and travel. Item Name: Portable Fan Material: Plastic, Metal Voltage: 3.7V Battery Capacity: 2000mAh Features: Quiet Design, 3 Speeds, Rotatable Size Details: 16.8cm x 13.1cm x 4.4cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Portable Fan 1 x Charging Cable 1 x Bottle