Magnetic Battery Operated Fan features a strong built-in magnet base that securely attaches to metal surfaces like cabin walls, bed frames, and fridge sides, staying stable even during rough voyages without slipping or tipping over. This Magnetic Portable Fan 5 adjustable speed levels and 270° angle adjustment, catering to various needs such as napping, sleeping, and air circulation in ship cabins. Rechargeable Wall Fan features an LED digital display showing real-time speed levels and remaining battery, plus ultra-quiet operation (as low as 15dB) that won't disturb cabin mates during nighttime rest. Battery Operated Magnetic Fan is equipped with a 5000mAh large-capacity battery, providing 5-13 hours of continuous use after a 5-hour Type-C fast charge. The Type-C interface makes charging convenient on ships. Rechargeable Portable Wall Fan comes with 7 fan blades, delivering wider, softer airflow than traditional 3-blade fans. The gentle wind is ideal for all-night use in narrow cabins without causing discomfort.