ADJUSTABLE NECK FAN: Our clip on fan is completely adjustable 360° of horizontal rotation and 360° of vertical rotation to fit your multidirectional cooling needs RECHARGEABLE BATTERY: This Mini Portable Fan comes with 300ma rechargeable battery. Just charge and use, This usb fan run for 1-2 hours. USB charging cord included MULTIPLE FAN SPEED OPTIONS: This personal fan has three speeds for multi-level cooling. great for bedroom fan or table fan CLIP FUNCTION: This personal fan comes equipped easy-to-open clamp, which can clip on a thing of thickness within 2 inch; adheres securely to desks, camping, and more LED Lights :This mini clip fan with LED lights, lighting up night in tent or outdoor activities, safe and comfortable in hot night