Ebay offers JISULIFE Portable Neck Fan, Hands Free Bladeless Fan, 3 Speeds, 4000 mAh Battery for $24.99 (reg. $35.99) with free shipping. 

Product Description:
The JISULIFE Portable Neck Fan redefines personal cooling. Simply rest it around your neck and enjoy a steady breeze—no hands required. Whether you're at a concert, watching a basketball game, working outdoors, on a cruise, traveling by air, or working out at the gym, this bladeless fan keeps you comfortable.