Solar and Usb dual power: runs on solar energy or Usb rechargeable, ideal for blackouts, off-grid living, and outdoor use. Three speed quiet cooling with adjustable airflow, super quiet under 30dB for sleep. Ultra-portable and lightweight with compact foldable design, suitable for hiking, beach trips, tents, and travel. Emergency essential for hurricane season and power outages. Type-c charging, fully charges in 4-5 hours via Usb or 6-8 hours in direct sun. Dimensions: 9.6""D x 8.0""W x 3.2""H. Weight: 2.05 pounds.