[Mini USB Rechargeable Fan]Cooling desk fans are built with 500mAh rechargeable lithium battery, 3 adjustable speeds, fully charges in 1.5 hours, wireless working time 3-5 hours. The small size and weight designed for children.The lanyard design frees your hands and perfect for traveling. [3 Adjustable Speed Fan& Enjoy Cool Summer]The handheld fan has 3 Adjustable Speed Level -- natural wind/cool wind/strong wind, just adjust the appropriate fan speed by pressing the power button repeatedly. Equipped with 7pcs fan blades which are made of ABS material, strong and produces a strong and soft airflow. Never worry about the outdoors even the temperature is so high. Just enjoy your cooling summer with this must-have. [Convenient Design of Portable Fan]The mini fan weighs only 65 grams, That you can hang it around your neck with a lanyard without any pressure. Even if your child uses it, it will not bear weight pressure. You can put it in a backpack or handbag or even in your pocket when traveling outdoors. This simple and compact design is particularly suitable for summer travel or outdoor sports. [Rechargeable Battery & Energy Source]This handheld fan built with 500mAh rechargeable lithium battery. Safe and environment-friendly. With micro-USB power port, the USB electric fan can be recharged with USB charger, laptop, computer, power bank, car power ban and other USB-enable devices. A happy and lasting family journey. One button control all functions Press the power button once to start gentle wind(Speed 1) Press the power button twice to start cool wind(Speed 2) Press the power button three times to start strong wind(Speed 3) Press the power button four times to turn off the power. Multiple Charging Methods USB fan comes with a charging cable that compatible with any USB port, It can be via USB charger/ computer/power bank /car charger and other USB-enabled devices. (The LED light turns red while charging and turns blue after charging finished) []It's definitely a idea for your families, friends, or your loved . Output power: 2.5W Voltage/Current: 5V/1A Colour: green Material: plastic Size: 11.5x6cm Package Contents: 1 * Handheld Fan 1 * USB data cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.