[12000mAh Max Battery Capacity ] The usb fan has 12000Mah Max battery capacity, which can stronger wind and airflow with over 24hours Ultra-long usable time,Specially designed for the workers at high temperature positions. [Strong Airflow with 3 Speeds ] The new updated 7500rpm motor blows at 11m/s strong airflow. Ultra- takes your body heat within seconds. The maximum wind is strong. The blowing distance is long.No more struggling when working or travelling under the . [Waist Fan and Necklace Fan 2 in 1]It's a portable usb fan with multifunciton - waist clip on fan, necklace fan, bank and LED flashlight. When you work outside or for outdoor activities, take this portable fan and you'll get all the necessaries! [Best Gift Choice] Due to the special metal clip and necklace design, this personal USB waist clip fan can be perfectly used for outdoors, such as camping, fishing, cycling, travelling, beach, etc. It is a must have tool for outdoor activities during hot . Electric fan design:Wearable Fan Source:Battery Powered Special Feature:Portable Mounting Type:Clip On Indoor/Outdoor Usage:Outdoor Item Dimensions: LxWxH: 3.62 x 2.71 x 3.6 inches Colour: color Material: ABS Package Contents: 1 * Portable Waist Clip Fan Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.