Stay Cool: O2COOL Elite Handheld Misting Fan Why suffer through those dog days of summer when you can simply throw this O2COOL Elite Handheld Misting Fan ($10) in your bag? Whether you're commuting into the office or leaving a super-sweaty workout class, this compact fan will help you keep your cool no matter where you are. (Or, if you're really feeling yourself, you can use this fan to give your day a little Beyoncé-ready wind.) Image Source: target.com O2COOL Elite Handheld Misting Fan $10 from target.com Buy Now