Stay cool and comfortable with this portable fan from O2 COOL. The fan features a necklace design for hands-free use and a single blade for quiet operation. The fan is powered by batteries and has one speed setting for simple use. The fan comes in a stylish blue color and is made of durable plastic.

Whether you're at home or on-the-go, this O2 COOL fan is perfect for staying cool and comfortable. It's great for outdoor activities, sports events, or just lounging at home. Get your hands on this deluxe necklace fan today!