Rechargeable USB Battery Clip Fan 5 Inch Fan with Long Gooseneck, Powerful Clip, Adjustable Neck, 3 Speeds, Great for a Desk Fan Stroller Fan or Travel Fan RECHARGEABLE BATTERY: This Treva small fan comes with a powerful rechargeable battery. Just charge and use, This USB fan will run for over 6 hours. USB charging cord included MULTIPLE FAN SPEED OPTIONS: This personal fan has three speeds for multi-level cooling. The fan also offers an intermittent blade speed. ADJUSTABLE NECK FAN: gooseneck is completely adjustable to fit your multidirectional cooling needs.