O2 Cool Necklace Fan - Model Fn02001 - Assorted Colors (2 Fans included) Go to amazon.com Related posts Which are the best 02 cool fan necklace available in 2024? FeatureGreat for office, home, camp, beach, yard work and sports.2 pack special DescriptionO2 Cool Necklace Fan - Model Fn02001 - Assorted Colors (2 Fans included)