Handheld Mini Fan
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Size and Portability: The fan should be compact and lightweight so that it can easily fit in a bag or pocket, making it convenient to carry around.
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Power Source: USB charging capability allows you to recharge the fan using various devices such as laptops, power banks, or USB wall adapters. This makes it versatile and suitable for use both indoors and outdoors.
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Battery Life: Look for a fan with a decent battery life that can provide several hours of continuous operation on a single charge. The actual battery life may vary depending on the fan's settings (e.g., speed levels).