AI Technology: Intelligent operation, AI-enhanced control for optimal cooling Superconducting Cooling: Fast and efficient cooling for immediate relief Adjustable Speed: Customize your cooling experience with multiple power settings Powerful Turbo Function: High-intensity airflow for fast cooling in hot environments Perfect for outdoor activities, travel, or office use, this fan features cutting- and powerful performance to you stay cool wherever you are Input current: 2A Battery model: 21700 Battery capacity: 3000mAh Charging time: about 3h Battery voltage: 3.7V Input power: 10W Input voltage: 5V The product appearance and printed words depending on the batch, but this does not affect use. Colour:A:Black Material:ABS+ aluminum stainless steel Package Contents: 1 * Turbo Fan Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.