GIIKNEW Portable Fan with 4000mAh Battery
Product description
The magnetic base is the feature that sets this GIIKNEW portable fan apart: it can attach to metal surfaces, freeing up a crowded cabin desk and putting airflow closer to where you need it. It also combines a 4000mAh rechargeable battery with USB charging and plug-in use, so you have more than one way to power it. Four speeds and an LED light add useful cabin flexibility, while the listed runtime of up to 12 hours applies to the lowest speed—not every setting.
Key specifications

This black fan has a magnetic base for mounting on suitable metal surfaces, including cabin walls or ceilings when those surfaces are magnetic. The product listing describes it as cruise-approved, but ship policies can change, so treat that as a feature claim rather than a guarantee for every sailing. Check the rules for your specific cruise line before packing it.


Power comes from a 4000mAh battery, with USB charging and plug-in operation also listed. The stated runtime is up to 12 hours on the lowest setting, the listing does not say how long it runs on the other three speeds. An LED light is built in, though details such as brightness and light modes are not provided. Quiet operation is also claimed, but there is no noise rating to compare without that measurement.

Who it’s for
It suits you if you want a portable breeze in a cruise cabin and would rather mount a fan on a metal surface than give up space on a nightstand. Picture settling in for the evening with the fan attached to a metal wall near the bed, leaving the desk clear for your phone and other travel items. The battery option can be handy when you do not want to keep it plugged in, while plug-in use offers another power choice.



Not the best choice if your intended mounting spot is not metal, or if you need a stated runtime at higher speeds, detailed noise figures, or specific light settings. The base is magnetic, not a universal wall mount, and the available information does not establish how it will perform on any particular cabin surface. If dependable airflow across a larger room matters more than portable, personal cooling, a larger fan may be a better fit.
Everyday use

The package details are not specified, so the listing does not confirm which charging cable or other accessories come in the box. In everyday use, the main decision is whether the fan’s placement and power options suit your cabin: use the magnet where a suitable metal surface is available, or place it on a desk and use battery or plug-in power. Four speeds give you settings to choose from, but no airflow measurements are supplied to show how strong the breeze is at each one. The LED may be a useful extra in a dim cabin, though its exact function is not explained.


Practical doubts

Will it attach to any cabin wall? No such guarantee is given. The base is magnetic, so the surface needs to be metal and compatible with the magnet.
Does it run for 12 hours at every speed? The stated maximum is up to 12 hours on the lowest setting. Runtime at the other speeds is not specified.

Can it be used while plugged in? Plug-in use is listed alongside USB charging. The product details do not explain the exact cable or power adapter included.
Buying verdict
This fan makes most sense for a traveler who values flexible placement, a rechargeable power option, and a compact cabin setup more than detailed performance figures. The combination of a magnetic base, LED light, and four speeds is more adaptable than a basic desk-only fan, provided you have a suitable metal surface and the listed power options meet your needs. Choose it when those practical features matter and your cruise line’s current rules allow it. Skip it if you need confirmed compatibility with a particular cabin wall, a runtime estimate beyond the lowest speed, or specific noise and airflow measurements.
Products with discounts that might interest you
- DREO Tower Fan for Bedroom (2026 Upgraded DC Motor) — Quiet, Smart, and Versatile Cooling
- DREO Fan 13-Inch Oscillating Table Fan
- DREO Smart Fan for Bedroom: 110ft Pedestal with DC Motor, Omni-Directional Oscillation, and Wi-Fi Voice Control
- DREO Smart Fan for Bedroom: 2-in-1 Floor & Table Fan with Omni-Directional Oscillation
- LEVOIT Standing Fan for Bedroom – Ultra-Quiet DC Pedestal with 1024 CFM, 90° Oscillation and Remote
- DREO 12-Inch Bedroom Fan with WingBoost Airflow
- PIMAG Fly Fans for Tables (4-Pack, Black) — Portable, Soundless Fly Repellent Table Fans with Holographic Blades
- Dreo Fan for Bedroom Table Air Circulator (11-Inch) — TurboSilent Low-Noise Desk Fan with 3 Speeds and Adjustable Tilt
- Dreo TF117 Tower Fan 90° Oscillating, 4 Speeds 🌀
- Portable Foldable Oscillating Fan – 8.6", 8000mAh, USB-C Rechargeable with Remote
- Lasko Cyclone Oscillating Pedestal Fan 1843 - Adjustable to 54" in Black

