The TREVA / O2COOL Battery Powered Portable Clip Fan FC05807 is a compact and convenient fan that operates on two D batteries, making it perfect for on-the-go use. With a sleek gray design and durable ABS plastic construction, this clip fan by O2 COOL offers 2 speeds and a push-button control style for easy customization. The 360-degree rotation feature, along with the 5 blades, ensures optimal airflow in any direction, providing relief in hot weather conditions. Perfect for indoor use or during outdoor activities, this portable fan from O2 COOL is a must-have for those looking for a convenient cooling solution.