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5000mAh Battery & Portable Design: Built-in 5000mAh battery allows the portable fan can be used wirelessly or USB cable charged for 2-8 hours vary from different speeds and modes. The portable and mini size design allows you to carry it easily and use it at anytime and in anywhere, which will accompany you on hot days.
Timer Function & Humanized Design: Automatically switch off the air cooler fan by setting the 1/2/4/8 hour timer, saving unnecessary energy consumption. You can control the wind direction as you like by adjusting louvers and create your own personal cooling zone.