Hands-free fan that can be worn around the neck, freeing up both hands and keeping you cool! This is a rechargeable small fan that blows air upwards. It uses an 1800mAh battery, so it can run powerfully and for a long time♪ The simple design is also attractive, making it easy for men to use. [Body Weight] Approximately 148g [Built-in Battery] Lithium-ion polymer secondary battery 1800mAh [Power Supply] DC5V/1A [Power Consumption] Approximately 3W [Charging Time] Approximately 3~3.5 hours (varies depending on the power supply capacity of the connected device) [Usage Time] Approximately 2.5~5 hours (varies depending on the wind speed and usage environment) [Wind Speed] 3 levels (low, medium, high) [Accessories] USB cord, strap, instruction manual (with warranty) [Country of Origin] China