Features: 1. Wide range of applications:Use for both indoor and outdoor activities, office, subway, traveling, camping, picnic, hiking. 2. Air volume level 3: weak wind ＞ natural wind ＞ strong wind 3. The neck fan has 60 ventilation holes that keep the face cool and can keep the makeup. It can be used safely by children and adults. 4. Wingless design, you don't have to worry about hair being caught by fan blades. 5. Equipped with1200mAh battery. 6. Half-closed air inlet, dust and sweat proof. Specifications: product name:Leafless hanging neck fan product weight:9.1OZ battery capacity:1200mAh Voltage working range:3.0-4.2 (V) Wattage:5 Watt Running time:4-16h Package Included: 1 * Fan 1 * USB cable 1*User manual Power supply mode: USB Rated voltage: 5V Rated power: 2-5W Rated frequency: 200V Noise: more than 70db Timing function: no timing Wind selection: natural wind Air supply method: turn page Wind speed gear position: 3 gear wind speed Operation mode: mechanical Whether to support charging: support Speed adjustment gear: third gear Stop automatically when falling: not supported Lifting and fixing: single screw type Energy efficiency rating: Level 1 Air supply type: natural wind Color: white, green, pink, blue Note: 1.Please allow 1-2cm differs due to the manual measurement. 2.Real color may slightly different from pictures due to many factors such as computer screen's resolution, brightness, contrast etc. 3.The image shown here is indicative only. If there is inconsistency between the image and the actual product, the actual product shall govern. 4.We will very happy if you give us all 5 stars feedback with photo and positive feedback.Thank you!