【Comfortable Cooling】 This WFan neck fan has a built-in battery, providing convenient cooling anywhere. It's especially perfect for hot days and outdoor activities. 【Multi-functional Design】 It features an on/off button and three-level wind speed adjustment (low, medium, high), allowing you to select the optimal wind speed depending on the situation. It can be easily charged via a USB port. 【Stylish Appearance】 The gray and blue combination is distinctive, with a design that also incorporates fashion. It's lightweight and easy to carry. - Brand: WFan - Type: Neck Fan - Colors: Gray/Blue - USB Port: Yes - Internal Battery: Yes - Button Functions: On/Off button, Low, Medium, High - Fan Blades: 5 - USB charging cable Usable for approximately 6 hours on low, 4 hours on medium, and 2.5 hours on high. Thank you for viewing.