20000mAh Rechargeable Battery Operated Box Fan: This small box fan offers up to 60hrs duration thanks to its built-in 20000mAh rechargeable battery. It takes 8hrs to be full charged with 5V/3A input via the type-C cord included. Moreover, the extra 5V/2A USB output for powering your drained mobile phones. The cordless and battery powered features make it’s convenient use compare with the electrically powered ones Powerful & Quiet Window Fan: Features 4 speeds settings and 5 aerodynamic blades, the small window fan can deliver the powerful airflow up to 12.47ft/s, 4 speeds settings includes low/medium/high/max for adjustable cooling needs. With ultra quiet white noise (≤25db) for sleeping, great to use as an quiet box fan for home bedroom Adjustable Timer & Directional Airflow: Equipped with 4 adjustable timer (2H/4H/6H/8H), this square fan is energy saving and great for whose who don’t want the fan running all night. With a 210° pivoting fan head, makes it’s easy to change airflow direction to increase your comfort. And you can easily monitor the fan status by the battery and mode indicators, and you can turn off all indicators while sleeping if sensitive to light Portable & Lightweight Design: Size at 12.44*4.25*13.94 inches and weights 3.92lb, the square fan is portable and lightweight. The easy-grip groove at the top makes it easier to move around, and its free standing design with wide base for stability. It is a perfect small box fan for window, rooms includes bedroom, living room, kitchen or bathroom, etc. Or great to use as a table fan for office desk Tip: This fan does not include remote control.