About this product Portable Air Cooler for Room or Outdoor - The personal air cooler features technology and an evaporative air cooling cartridge to help transform unbearably hot air into cool, refreshing air in an instant! Perfect for cooling indoors or outdoors. Outdoors - This mini cooler comes with a 1.5-inch multi-directional clamp that attaches to your stroller, treadmill, beach umbrella, patio chair, camping tent, car seat, grill, bike/scooter, golf cart, and more ADJUSTABLE COOLING – With 3 fan speeds, low, medium, high, 360-degree swivel head, and adjustable vents, you can set this evaporative air cooler to your desired setting to stay cool and Comfortable in almost any location. USB Rechargeable Fan - This clip-on fan is battery operated and provides up to 5 hours of runtime on a full charge. Recharge this indoor/outdoor cooler with a USB cable and take it to the beach, your patio, or to work for instant cool air. EASY TO USE – This evaporative cooler is easy to use! Simply