With 2 lithium batteries of upto 4000mAh this rechargeable table fan goes on for a long time based on the speed. Integrated with low, medium and high mode. This table fan can be set based on the room temperature. Conveniently you can use a USB charger to charge this fan when low on power. With a tilting angle of upto 110° angle, this table fan is adjustable based on your sitting preference. The fan can be used as a portable ceiling fan. It is strong, lightweight, rust-resistant and long lasting.With 2 lithium batteries of upto 4000mAh this rechargeable table fan goes on for a long time based on the speed. Integrated with low, medium and high mode. This table fan can be set based on the room temperature. Conveniently you can use a USB charger to charge this fan when low on power. With a tilting angle of upto 110° angle, this table fan is adjustable based on your sitting preference. The fan can be used as a portable ceiling fan. It is strong, lightweight, rust-resistant and long.