Fan outdoor work express waist hanging small fan USB charging long life cooling fan

Fan blade material: plastic Additional features: Flashing warning light Is it a patented source: No Color: Orange, Green, Gray Style: Outdoor Motor type: Brushless motor Shell technology: ABS Noise: 36-45dB (inclusive) Whether built-in battery: built-in battery Built-in battery capacity: 6000mAh or more Power source: Lithium battery Number of blades: No blades Wind speed level: 3 levels Battery life: 3-6h (inclusive) Fan Category: Waist-mounted fan Operation method: Normal button