2000mAh Rechargeable Lazy Portable Summer Air Cooling Hanging Neck Fan Leafless Hands-free Outdoor Sports Travel Personal Wearable Fans Feature: 1. Fan blade: no blade design. 2. 360-degree annular soft wind: 78-hole annular neck air outlet. 3. The air hole spacing is strictly calculated, so that the cool air can be distributed evenly and finely. 4. The 60 twin-turbo fan blades are densely packed and the wind is stronger. 5. All-round cooling and ventilation up and down, beautiful and generous, fast heat dissipation. 6. Lithium battery design, safer to use. 7. Wind speed: three gears are adjustable, the first gear is light wind, the second gear is natural wind, and the third gear is strong wind. 8. Use time: about 2-4 hours (4 hours at low speed, 3 hours at medium speed, 2 hours at high speed). Specification: Name: Leafless hanging neck fan Material: ABS+TPR Dimensions: 198x197x60mm/7.8x7.76x2.36in Battery capacity: 2000mAh Product input: 3 hours Interface type: Micro USB Battery life: 4 hours Output power: 4.5W Input current: DCA/1A Output voltage: DC5V-9V Input voltage: DC5V Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1*fan 1*Data cable 1*Instruction