Vacuum suction cup with locking knob: Attaches securely to any smooth surface. This compact wall-mounted fan features a powerful suction cup and locking knob, allowing it to firmly attach to bathroom tiles, glass, mirrors, metal cabinets, or the side of a refrigerator. Unlike ordinary adhesive fans, our firm fan does not fall off even in wet conditions. Ideal for use as a fan in bathrooms without vents, or as a hands-free cooling fan in the kitchen. The suction cup fan is also washable; simply rinse and reinstall. Enjoy up to 9 hours of cooling at low speed. This rechargeable fan can be used as a battery-operated fan on the go, or for continuous use via USB connection. Ideal as a portable desk fan in the office, a small fan for bathrooms without outlets, or a travel fan for camping and cruises. The USB fan's portable design means you can take it from your RV bathroom to your dorm room without having to look for an outlet. Compact, portable, and versatile: designed for mobile living. This portable fan is extremely lightweight and compact, perfect as a fan for your next cruise. The strong suction cup holder allows it to firmly attach to RV bathroom walls, dorm rooms, gym equipment, and even windows. This is a multifunctional suction cup fan, suitable for cruise ships, camping, exercising, or placing on a kitchen island. This quiet and durable fan has a powerful airflow while operating quietly, making it an excellent choice for a bedroom or office fan. It can also be used as a wall-mounted bathroom fan to avoid noise, or placed on a bathroom counter for use when getting ready for work. A powerful yet discreet small wall fan that requires no drilling.