Strong Magnetic Base: The magnetic marine fan features a built-in high-power magnet that securely attaches to metal surfaces like cabin walls, bed frames, and refrigerator sides, staying stable even during rough voyages. Quiet Operation with LED Display: This boat fan operates at as low as 15dB, quieter than falling leaves, and features an LED screen that clearly shows speed levels and remaining battery, ensuring undisturbed sleep for cabin mates. 5000mAh Long-Lasting Battery: Equipped with a 5000mAh rechargeable battery, the portable marine fan runs 5-13 hours after a 5-hour Type-C fast charge, eliminating worries about limited ship outlets. 5 Adjustable Speeds & 270° Direction: The magnetic fan 5 speed levels from quiet sleep breeze to powerful circulation, paired with 270° angle adjustment to meet cooling needs for napping, sleeping, or air exchange on cruises. 7-Blade Soft Breeze Design: This portable boat fan uses 7 blades to wider, gentler airflow than traditional 3-blade fans, providing a comfortable, non-gusty breeze ideal for overnight use in compact cabins.