Neck cooler that provides a comfortable cooling experience with a quiet design. 【3-Level Airflow Adjustment & 2-Level Cooling】 The airflow can be selected from 3 levels: weak, medium, and strong. Simply press the airflow adjustment button repeatedly to switch to the appropriate speed. Cooling can be selected from 2 levels: medium and strong, and you can switch between cooling modes on/off with the snowflake button.<br> 【5200mAh Large Capacity Battery】 A 5200mAh lithium-ion battery is built-in, allowing for up to 12 hours of continuous use (depending on the airflow level). The rated voltage and current of this product are 5V/2A, please charge it with a 5V/2A charger. A full charge takes about 3-5 hours. 【Bladeless】 Unlike conventional fans, this is a bladeless neck-hanging model. The air intake port adopts the latest patented design, and the bladeless design prevents long hair from getting caught, so you can use it with peace of mind even if your hair is nearby. 【Quiet Design】 360° uniform airflow, using ABS material and a high-quality brushless motor, minimizes noise. The noise during operation is 15dB. With low noise, you can enjoy life in a comfortable and quiet environment. It is very useful in libraries and reading rooms. 【Usage】 Neck cooler, refreshing neck, neck-hanging portable fan, cool sensation, instant cooling, heat stroke prevention, commercial blower, queuing, mountain climbing, hiking, sports, jogging, running, sports gym, walking, festivals, outdoor, camping, stylish, holiday gifts, celebration presents, fan for masks, wearable cooler goods, heatstroke countermeasures - Color: Black - Noise Level: 15 dB - Charging Method: Type-C cable - Charging Time: 4 hours - Usage Time: 12 hours Thank you for viewing. ci1008a3