GOOD LUCK and Water: What the Rating Actually Allows

By GETAUVE Editorial Team · Published October 22, 2026

GOOD LUCK and Water: What the Rating Actually Allows

A tub holds still water for 30 minutes. A shower hits the same toy at three times the pressure.

What an IPX7 rating really covers on this device, what it quietly doesn't, and how to dry it so the water you invited in doesn't stay for a week.

The Short Answer

IPX7 means the device survives being submerged in 1 meter of still water for 30 minutes. That's it. It does not mean hot tub, it does not mean soapy bath water under pressure, and it does not mean you can charge it while it's wet. GOOD LUCK handles a shower fine if you keep it out of the direct stream. Rinse it, shake it, dry the port, and it'll outlast the bottle of body wash.

The Two Numbers Behind the Rating

Every water rating is two numbers pretending to be one word.

The first is depth. For IPX7, that's 1 meter, which is a little over 3 feet. Your bathtub is shallower than that. Your shower floor is roughly at that depth when it's draining slowly.

The second is time. Thirty minutes, not indefinitely, and not in moving water. The test is a still tank, room temperature, device switched off. Nothing about a real bathroom matches that setup, which is why the rating is a floor and not a promise.

There's a third thing the rating doesn't test at all: pressure. A shower head pushes water at a force a still tank never applies, straight at the seam where the housing closes. That's the part that fails first.

What "Waterproof" Doesn't Cover

Here's where people get into trouble, and it's usually not the obvious stuff.

• Hot water. Heat expands air inside the housing, and a seal that holds in cold water can let warm water past.
• Soap and bath oil. They break surface tension and creep into gaps water alone won't enter.
• Salt and chlorine. Both leave residue in the seam that dries into a grit you can feel.
• Charging while damp. This is the one that actually ends devices.

If you're in a hotel with a fancy rainfall shower and you've had two glasses of wine, that's the highest-risk five minutes of the year. Not because the device is fragile, but because nobody dries anything carefully at that point in the evening.

After work, when the shower is the first quiet 10 minutes of the day, the temptation is to bring everything in with you. Bring this one, by all means. Just set it on the ledge instead of holding it under the stream.

A Shower Test You Can Run With Your Hands

Before you trust the seal, try this on a Sunday morning when you're not in a hurry.

Take it into the shower, keep it out of the direct stream, and use it for about 5 minutes. Then look at the seam under good light. Beads of water sitting on the outside are fine. A dark line that stays after you wipe it is not.

Feel the buttons. If they're spongy or the click has gone soft, water is already inside. Stop using it and let it sit in dry air for 48 hours before you try charging. That single rule saves more devices than any case or pouch.

Do this once, and you'll know your own unit. Ratings are general. Your seal is specific.

Drying It Properly, Which Takes 90 Seconds

Shake it like you mean it, four or five times, with the port facing down.

Then wipe the body with a microfiber cloth, and use a dry cotton swab on the charging port and around the button edges. Leave the port cover open overnight. Not for 10 minutes — overnight.

Before bed, stand it upright somewhere with airflow, not in a closed drawer and definitely not on a wet shelf. By morning it's dry, and you haven't done anything difficult.

The 90 seconds is the whole maintenance routine. Skip it and you're not saving time, you're just moving the cost to a later date.

Late at night, this is the step you'll want to skip. It's also the one that decides whether you're replacing this in 2 years or in 5.

When to Skip the Water Entirely

If your bathroom runs steamy — small room, hot shower, no fan — keep GOOD LUCK out of it. Steam gets into places water doesn't, and it does it slowly and invisibly.

If you're sharing a bathroom with family or roommates, the shower is also the least private room in the house. A device that lives on the shelf is a conversation waiting to happen.

The honest trade-off is convenience against longevity. Water-friendly means easier cleanup, and easier cleanup means more use. It also means one more seal to think about. If that sounds like too much, keep it dry and wipe it down instead. That's a perfectly good way to own it.

Sources

• International Electrotechnical Commission — IEC 60529, the standard that defines IPX7 immersion testing at 1 meter for 30 minutes.
• U.S. Consumer Product Safety Commission — consumer guidance on water exposure and rechargeable personal appliances.
• National Institutes of Health — general educational material on moisture and skin irritation in humid environments.

This article is general education, not medical advice. Check the product page for the current rating before you buy, since specifications change between runs.