[Full Body Cooling] Enjoy full-body comfort with our semiconductor AC neck fan, featuring an extra-large cooling plate that can quickly cool down to 68°F in just 1 second, helping to dissipate heat around you. With a bladeless design, it effectively prevents hair from tangling. [Back Cooling Design] This neck cooling fan includes a unique back airflow function. Upper and lower air vents on the back, as well as side vents, provide cooling for your head and back. A 10000rpm high-speed brushless motor increases airflow by 250%, helping to combat summer heat. [8000mAh Battery] The personal neck cooling fan is equipped with a 8000mAh rechargeable battery, providing 3 to 12 hours of runtime depending on usage. It features a 5V 2A USB-C charging port, supports charging while using, and delivers extended performance even outdoors. [3-Speed Cooling/Fan Modes] Customize your comfort with 3 cooling modes and 3-speed fan settings. Choose fan mode, cooling mode, or use both simultaneously to suit your needs. Includes an LED display for real-time battery level monitoring. [Fashionable/Technological/Comfortable] Designed like wearable headphones, it is hands-free and stylish. The USB rechargeable neck fan uses advanced noise reduction technology, operates quietly and reliably, and is ideal for indoor and outdoor use including office work, gym, walking, driving, kitchen tasks, travel, and camping. Color: Dark Blue Material: Plastic Package Contents: 1 x Neck Air Conditioner Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.