Home > Heat Pads > Heaters > Cooling Fans > Battery Powered Fans > O2 Cool Treva 3.5" Battery or USB Fan with Adapter
Our 3.5″ Compact Battery and USB Powered Fan is completely portable! Base folds for storage or can be used as a stand or hanging feature. Two-speed with quiet motor. Runs on 4-AA batteries (not included) or USB cord (included).