Portable Neck Fan with Unique 3 Motors, Personal Hands Free Wearable Fans with 4000 Mah, Rechargeable Air Conditioner Cool USB Fans, 3 Speeds, Quiet Battery Operated Bladeless Fan, Elegant, for TravelTHE FIRST 3 MOTORS FAN Adopting the advanced technology, this personal fan is equipped with two sides and back vents which you can enjoy airflow coming out of the rearward most vents even at low speed while Similar products produce a little air at the back. It comes to the rescue for your hot flashes and menopause. QUIETNESS & 79 AIR OUTLETSNoise level on high or 3 pushes of the button only slightly drains out surrounding noises so that's a plus.