Feature 1HANDS FREE: The neck fan is designed as a headset shape, so you can free your hands anywhere. Stylish, make you look cool and can take it anywhere in the hot weather. 2LONG BATTERY LIFE: Portable neck fan has built in 2400mAh high capacity battery that provides 3.5 to 13 hours of operating time (depending on the speed). 3FREE ADJUSTMENT: Hose of the portable fan can be bent at will and the fan can be rotated 90. Press the power button repeatedly to adjust the appropriate fan speed (3 gears in total). 4LOW NOISE: This wearable neck fan uses an improved motor that makes it run with a noise level of about 20dB. It is enough to hear yourself breathe. 5SAFE AND DURABLE: Hands free fan is made of environmentally friendly ABS and silicone, soft and durable. Ultra lightweight and reduces neck pressure. And won't catch your hair.Item Type: Neck FanMaterial: ABS, SiliconeBattery Capacity: 18650 Lithium Battery 2400mah (Included)Wind Power Level: 3 Gears (1st Gear Lasts 13 Hours, 2nd Gears Lasts 5.5 Hours, 3rd Gears Lasts 3.5 Hours)Charging Time: 4HGross Weight:373g/13.2oz Package List:1 xNeck Fan1 x Instruction Manual1 x USB Data Cable