Description: With the leafless design, this fan is very safe for you to use which will not hurt your hands when you put your finger into the fan by mistake, and it has a USB cable design, so it is very convenient for you to use which can last 3 hours for each charge. What this fan can offer you is that can be used as a wonderful summer cooling tool, because it has a mini size which makes it can be very portable for you to carry outside, and it has a wide ventilation mouth which can provide you a wide and evenly air volume. Made of ABS, it is lightweight and durable to use. The length of this fan is 11.5cm, the width is 7.5cm and the height is 7.5cm. It is suitable for home, outdoor, school and so on. Item Name: Portable Fan Material: ABS Input Voltage: 5V Input Current: 0.5-1A Output Voltage: 3-5V Output Power: 1.5-2.5W Battery Voltage: 3.7V Charging Time: 2-3 Hours Bulit-in Battery: 800mah Features: Noise Reduction, One-key Operation, Wide Angle Air Size Details: 11.5cm x 7.5cm x 7.5cm/4.53" x 2.95" x 2.95" (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 Hanging Rope 1 x USB Cable