3 Adjustable Speed ​​Levels: Low/Medium/High speed levels. Adjust appropriate fan speed by pressing the power button. Neckband fan with powerful airflow can reach instant relief from hot flashes faster and easier. Hang the cooler fan around your neck and take it everywhere SPORTS FAN-FREE YOUR HANDS: The LED hands free fan was designed as a headphone to free your hands anywhere; Fashion style makes you look very cool. Hanging around your neck, suitable for traveling in hot weather, saving you from the embarrassment of suddenly dripping with sweat in public on many occasions USB Rechargeable: 2000mAh lithium battery fan was powered by built-in rechargeable USB. No extra battery needed. The small personal fan is compatible with most computers, laptops, portable chargers and other devices with USB output. 2-6 hours working time depends on different speed DUAL WIND HEAD & FLEXIBLE ARMS: The LED portable fan has two wind head, can feel more powerful air flow, 360 degree direction adjust which allows you to adjust to any different angle, portable, simple and easy to create powerful wind for you. It is ideal for personal cooling, camping, outdoor event, trips, office, church, hot flashes AROMATHERAPY FAN: With two aromatherapy boxes, you can add perfume or anti-mosquito oil through the hole. Aromatherapy helps you avoid the dull sensation of sweat Read Less