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-edge technology and powerful performance to ensure you stay cool wherever you are<br><br>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 may vary depending on the batch, but this does not affect use. Colour:A:Black Material:ABS+ aluminum alloy+stainless steel<br><br>Package Contents: 1 * Turbo Fan Kit<br><br>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.