Embrace instant cool in just 1 second. High-efficiency semiconductor cooling plates and HyperVortex airflow system. Cool up to 12.5 square inches. 18W Fast charging technology - 80% in less than 2 hours. Memory silicone material with 160-degree adjustable. Smart TORRAS app to easily control functions. Supports charging while using. 3 Modes: Fan Cool Heat. 9 Power levels. Dimensions: 7.6"D x 6.1"W x 2.1"H. 1-Year manufacturer limited warranty. Includes: COOLiFY 2S Neck Air Conditioner. Space Capsule Case. Portable Carry Bag. USB-C to USB-C cable.