Description: Product name: neck fan Product power: 5W Input and output: DC5V/1A Battery capacity: 1200MAH Charging time: 2-5 hours Product size: 180*150*50MM Three gears adjustable: first gear/second gear/third gear Specifications: 1.360 strong wind around the neck: 3 seconds of rapid cooling, multi-gear wind adjustable, sleep wind, natural wind, strong wind free choice. 2. Battery and USB dual power supply: equipped with battery charging and Micro UsB can charge it in a variety of device charging methods. 3. Around the air outlet: quickly blow away the heat and moisture emitted by the human body 4. Turbine upgrade chip: safe and non-curly hair, ergonomic design, three-dimensional wind outlet without admiration, leafless natural wind outlet, rapid cooling Package Included: 1 * neck fan