Hands-free design: The neckband fan has a hands-free design, you can hang the fan around your neck and carry it with you, without feeling tired or uncomfortable when hanging the fan for a long time. 360 Rotating Fan: With dual-head hands-free cooling fan design, the two fans can be flexibly rotated 360, allowing you to adjust the best wind direction and create strong wind easily and easily. Adjustable Speed: Hands Free Personal Fan 3 different speed levels available. Adjust, low, medium, high, just press the power button to adjust. Multi-color optional: The mini neck dual fan has a built-in 1200mAh battery, which can be quickly charged and used for a long time. You can choose according to your preference. Wide Application: Ideal for personal cooling, camping, outdoor activities such as football and baseball, camping, mountaineering, fishing, golf, festivals, makeup, etc. Function button: 1. Press and hold for three seconds (on/off) 2. Touch the button to cycle through the speed. 3. Work: The blue light flashes. 4. Charging: the red light flashes quickly. 5. Fully charged: the blue light is on. 6. Power shortage: red light flashes. Operation: 1. Press and hold for 3 seconds to turn on the fan and enter the weak current mode. 2. Press the stroke mode again 3. Press the third time, it is the strong wind mode. 4. Press again to turn off the fan. Specifications: Product Name: Neck-mounted fan. Battery model: 18650-3.7v. Battery capacity: 1200mAh. Charging input: DC 5v-1a. Charging time: 4H. Working time: 4.5h-8h. Weight: 168g