1. Turbine port, semi-enclosed air intake, dustproof and sweatproof, say goodbye to dust accumulation, 4000mah large capacity battery is charged for 3 hours, the life of the battery is 6 hours 2.78 air outlets, the wind is higher: the fans are all wrapped, and the hair is not tangled. The new full polymer lithium battery is safer. 3. 360-degree ring-shaped soft wind: 78-hole ring-shaped neck outlet, three-speed wind speed adjustment 4. Extremely optimized, feel free, lighter than cellphone weight. 5. Using high-quality brushless motors and multi-stage air duct design can greatly reduce fan noise Product Name: Leafless Hanging Neck Fan Battery capacity: 4000mah Product model: CNDB/01 Charging time: about 3 hours Battery life: 6 hours Interface type: Micro-type Product weight: 350G Colour: green/white Material: ABS+TPR Dimensions: 198x197x60MM Package contents: 1 x Leaf Fans