“Waterproof” on the label doesn’t always mean what you think
From smartwatches and wireless earbuds to rain jackets and waterproof shoes, products labeled as “water-resistant” or “waterproof” are everywhere. But are they all equally safe from water damage? The answer is no. There’s a major difference between water resistance and waterproofing, and misunderstanding this can lead to costly damage. This guide breaks down the two terms and helps you make better buying—and usage—decisions.
What does “water-resistant” actually mean?
Water resistance typically refers to protection against small amounts of moisture in everyday situations. Think of light rain, handwashing splashes, or sweat. Devices like smartwatches and fitness trackers often claim water resistance, but this doesn’t mean you can take them swimming or into the shower.
On an IP (Ingress Protection) scale, water-resistant products usually fall under IPX1 to IPX4. These ratings indicate protection against light drips or sprays of water. It’s crucial to understand that “water-resistant” does not equal “submersion-proof.”
What qualifies as fully waterproof?
Waterproof devices are designed to be submerged in water for a certain period without damage. These products usually carry an IPX7, IPX8, or IP68 rating, meaning they can survive being underwater at specific depths for specific times.
For example, an IP68-rated phone can withstand being submerged in 1.5 meters (about 5 feet) of water for up to 30 minutes. Action cameras, dive watches, and underwater headphones typically meet these standards. But keep in mind that not all waterproof products are created equal—test conditions vary by manufacturer.
Understanding IP ratings: The global standard for water protection
IP ratings are a standardized way to indicate how resistant a device is to dust and water. The format includes two numbers:
- The first number = protection against solids (like dust)
- The second number = protection against liquids (like water)
Here’s how water protection levels break down:
- IPX1–4: Light splashes and drips – water-resistant
- IPX5–6: High-pressure water jets – stronger resistance
- IPX7–8: Temporary or continuous submersion – waterproof
If a device is marked “IP68,” it means it’s dust-tight (6) and waterproof (8). An “X” in the rating (e.g., IPX7) means that particular protection wasn’t tested or rated.
Why do water protection levels vary by product?
Even within the same IP rating, actual water protection can differ. This is due to variations in device construction, materials, seal design, and manufacturer testing conditions. Some IP68 phones, for example, are labeled “not suitable for swimming,” despite being waterproof under lab conditions.
In real life, temperature, water pressure, and wear-and-tear all affect waterproofing. This is why it’s crucial not to assume performance just from the IP code.
What is water resistance good for?
Water-resistant products are safe under specific everyday conditions:
- Wearing your device in light rain
- Splashing while washing your hands
- Exposure to sweat during a workout
However, these are not safe:
- Wearing the device in the shower or bath
- Submerging the product in water, even briefly
- Rinsing the product directly under a faucet
Think of water resistance as a “just-in-case” buffer, not an invitation to get wet.
Even waterproof devices have limits
A waterproof label doesn’t mean a device can handle every kind of water exposure. Here are a few examples of when waterproof products might still fail:
- Water pressure: The deeper the water, the higher the pressure
- Hot water: Steam and heat can damage seals or cause condensation inside
- Wear over time: Gaskets and seals can deteriorate, especially with frequent use
Waterproofing is about specific conditions—never a blanket guarantee.
Common mistakes and myths about water protection
Many users believe a high IP rating means they can do whatever they want with a device around water. Not true. Even waterproof gadgets can malfunction when exposed to:
- Soapy water, saltwater, or chlorinated water
- Impact damage that breaks the water seal
- Charging while wet or with water in the port
Assuming too much from a label is one of the top causes of water damage claims.
Know the difference: water-resistant, waterproof, water-repellent
Let’s clarify a few frequently confused terms:
| Term | Definition | Example Products |
|---|---|---|
| Water-resistant | Handles splashes, not submersion | Basic fitness trackers, budget earbuds |
| Waterproof | Survives full submersion at a set depth/time | Action cameras, dive watches |
| Water-repellent | Repels water but not entirely sealed | Rain jackets, hydrophobic phone cases |
| Dustproof | Prevents entry of solid particles | Construction tablets, industrial equipment |
Tips to maintain your device’s water protection
- Wipe off moisture immediately after exposure
- Avoid saltwater, soap, or hot water
- Never charge a wet device
- Periodically check seals, especially if dropped or aging
Waterproofing is a feature that can degrade—routine care extends its life.
What to check before buying a “waterproof” product
Here are key points to review before making a purchase:
- Specific IP rating and what it actually protects against
- Whether the manufacturer includes water damage under warranty
- Whether submersion conditions (depth/time) are clearly stated
- Whether independent testing or certification is provided
Always read the fine print—not just the marketing claims.
Conclusion: Water protection is a tool, not a free pass
Water resistance and waterproofing are useful but often misunderstood features. They should never be treated as absolute guarantees but rather as added protection under specific conditions.
By understanding these terms and respecting their limitations, you can protect your devices, avoid warranty issues, and make smarter choices with water-safe gear.