USB Desk Fan operates with low noise and provides up to 13 hours of wireless runtime, making it ideal for all-day use without frequent charging. Tabletop Fan has a compact, lightweight build that fits easily in bags, enabling seamless portability for indoor, outdoor, or ship use. Portable Desk Fan features 7 soft-blade design and 5 adjustable wind speeds to gentle, circulating airflow for comfortable cooling in any setting. Small Fan for Desk comes with an intelligent battery level display, allowing users to easily check remaining power before heading out for travel or work. Magnetic Fan 3 versatile installation modes: magnetic attachment, desktop placement, and wall hanging to fit different space needs on ships, desks, or travel spots.