Mainstays new 4-inch 3-speed portable rechargeable fan features with flexible tripod legs for multiple and convenient use. Its three durable legs can wrap securely around any frame like the back of a chair a tent pole or a stroller. With a built-in retractable hook the fan can effortlessly be hung from tent ceilings hooks or any other suitable surfaces. It s equipped with a high-capacity 5200mAh rechargeable lithium-ion battery guaranteeing 17 hours of operation at the low setting. And there are three speeds for different cooling demands. Extra digital display for battery capacity reminder and set speeds is the major upgraded feature of this fan. Easily check the battery capacity and set the speed and enjoy noiseless breeze. Also the fan head pivots a full 360 degree both vertically and horizontally ensuring a comprehensive coverage area. Rest assured this battery is fortified against overload and short circuit ensuring your safety and the longevity of the device.