TrendGear Portable Desk Fan with Smart LED Display, 4000mAh Rechargeable Battery USB Fan, 140° Tilt, Desktop Table Fans For Home Office Travel

["Long-Lasting Battery：Powered by a high-capacity 4000mAh battery, this portable fan provides up to 9.3 hours of continuous cooling on a single charge. This rechargeable fan features a Type-C charging port with rapid 3-4.5 hour charging time.","Ultra-Compact & Lightweight Design：2.With dimensions of 7.17\"Dx 3.66\"W x 7.87\"H and weighing only 1.53lbs, this space-saving table fan easily fits on desks, nightstands, or in travel bags. The lightweight construction makes it ideal for offices, dorm rooms, bedroom, camping, travel,etc","Quiet Operation & Advanced Motor：3.Equipped with a brushless DC motor and 7-blade turbine design, this USB fan delivers powerful airflow at just 35dB noise level. Three adjustable speed settings (low/medium/high) provide customized cooling without distractions.","140° Vertical Adjustment ：4.With 140° rotating adjustment and wide-angle airflow oscillation to efficiently cool multiple areas. Optimize airflow direction for office work, dining areas, and nightstands, meets all your cooling needs.","Smart LED Display：This small desk fan is designed with a minimalist interface.The LED display shows real-time battery percentage and selected speed levels, allowing you to monitor and adjust settings effortlessly."]