Features: 1.Rechargeable Battery Operated & 3 speeds: Built-in 2000mah rechargeable A grade safety lithium battery. You don't need to carry extra batteries anymore, just charge it with the USB cable in package. This small personal fan is compatible with most computers, laptops, portable chargers and other devices with USB output. 2.Wide Angle Wind & Low Noise: Wide-angle wind to increase the wind area,this hanging neck fan with powerful airflow can fast and easily access to instant relief from hot flashes. Using upgraded brushless motor lowers down the running noise under 36dB , allowing you to enjoy a quiet and cool wind during working and sleeping. 3.3 in 1 Fan & Safe: This portable hanging neck fan comes with an adjustable and wearable lanyard, let you go hands-free to do other things. And it can also be removed to be a handheld fan, the compact and slim size is just suitable in hand. There is a invisible holder in the back of fa n, open the stand to use as a quiet fan for your personal desk or work area. The blades of fan is fully covered, accident free to kids outdoors using. 4.Aromatherapy Fan & Humanized Design: New Design with a small aroma box on the front of the mini fan, you can put in aroma piece in package to enjoy the fragrant air. The aromatherapy function will help avoid the lingering sensation of sweat The humanized design of long press switch to turn on fan prevents the fan from turning on automatically when placed in the backpack. 5.Compact size for Any Scene: This necklace fan is about 188G, which is portable and compact to hanging on neck for beach, pool, camp, hiking, travel, picnic, park, concert or sporting event. Take this fan whenever you step out in hot summer Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Description: Material:ABS Size:124x88x34mm Input:5V/1A Power:4w Using time:3-8h Charging Time:3h includes: 1x Hanging Neck Fan(with an Adjustable Lanyard )