After days of surveillance and dozens of community reports, ESRPD can now officially confirm the identity of the mysterious magnetic suspect spotted in the wild.

Name: ESR Pulse Lite Magnetic Case

Known aliases: "That colorful case on the subway." "The one with the magnetic lid."

Suspect Profile

• Magnetic locking lid that snaps shut with a satisfying click.
• Built in MagSafe compatibility for seamless charging and magnetic accessories.
• Available in bold colors that are surprisingly difficult to ignore.
• Lightweight design that slips easily into backpacks, handbags, and everyday carry.

Last Seen

• On the morning commute
• In study rooms
• At the gym
• On café tables
• Pretty much anywhere people take their earbuds

Evidence Giveaway 🎁

To celebrate the case being solved, ESRPD has secured 2 Pulse Lite Magnetic Cases as evidence for community testing. Leave a comment below telling us which color you'd choose and why, and we'll randomly select 2 winners to receive one.

For full product details, please check the product page.

If you've ever shopped for a magsafe charger, you've probably seen labels like:

• Qi
• MagSafe
• MFM
• Qi2
• Qi2.2

There are just too many wireless charging terms to keep track of, and they don't always make sense at face value. For an average person trying to buy a wireless charger, having to Google each one separately just to understand what they all mean is far too cumbersome.

So today, let's clear up one of the biggest misconceptions in wireless charging: Qi and MagSafe.

1. Qi is the charging standard

Think of Qi as the language your phone and charger use to communicate. Developed by the Wireless Power Consortium (WPC), Qi defines how wireless power is transferred safely between devices. If both your phone and charger support Qi, they'll be able to charge wirelessly. But Qi itself doesn't tell your phone where to sit on the charger.

That's where MagSafe comes in.

2. MagSafe adds magnetic alignment

Apple introduced MagSafe with the iPhone 12.

Inside every MagSafe-compatible iPhone is a ring of magnets surrounding the charging coil. A MagSafe charger contains a matching magnetic ring. Instead of placing your phone somewhere that's "close enough," the magnets automatically guide it into the optimal charging position.

It sounds like a small improvement, but it solves one of the biggest challenges in wireless charging. As we talked about in the previous chapter, even a slight coil misalignment can reduce charging efficiency, waste energy, and generate more heat. MagSafe helps keep the coils properly aligned throughout the charging session, making efficient power transfer much easier.

3. Does MagSafe charge faster?

Not by itself. One of the most common misconceptions is that the magnets are what make MagSafe faster.

They don't.

The magnets don't increase charging power. Instead, they help maintain accurate coil alignment, allowing power to transfer more efficiently. That usually means:

• less energy wasted
• less heat generated
• more stable charging
• more consistent charging speeds

In other words, MagSafe improves charging efficiency, not charging power.

4. So what is MFM?

You may also come across the label MFM, which stands for Made for MagSafe.

Unlike Qi or MagSafe, MFM isn't a charging technology. It's Apple's certification program for MagSafe accessories. An MFM-certified charger has been tested by Apple to meet its requirements for compatibility, safety, and charging performance. So while Qi is a wireless charging standard and MagSafe is Apple's magnetic alignment system, MFM simply tells you that Apple has officially certified that MagSafe implementation.

5. Then where do Qi2 and Qi2.2 fit in?

For years, magnetic alignment was mostly part of Apple's MagSafe ecosystem. To bring that experience to more devices, the Wireless Power Consortium introduced Qi2, incorporating a standardized magnetic alignment system inspired by MagSafe. So now Android devices can also enjoy fast wireless charging.

The latest evolution is Qi2.2, which continues to build on that foundation while supporting higher charging capabilities on compatible devices.

That's why ESR's latest-generation magsafe charger, the CryoBoost series, invest more to support the Qi2.2 protocol. Combined with precise magnetic alignment and CryoBoost's active cooling system, they're designed to deliver fast, stable charging while keeping heat under control.

We'll take a closer look at what makes Qi2.2 different, and why it's becoming the next step for wireless charging, in the next chapter.

So... Qi or MagSafe? The short answer is:

Qi tells your phone how to charge.

MagSafe helps your phone where to charge.

They're not replacing each other. They're solving different parts of the same wireless charging experience.

As wireless charging continues to evolve, technologies like Qi2 and Qi2.2 are bringing precise magnetic alignment beyond Apple's ecosystem, making wireless charging faster, more reliable, and easier to use across a growing range of devices.

That wraps up another chapter of ESR's Wireless Charging 101.

In our next chapter, we'll dive into Qi2.2 itself: what has actually changed from previous generations, what improvements it brings, and whether it's worth upgrading your current wireless charger.

As always, if there's another wireless charging topic you'd like us to cover, let us know in the comments. We'd love to include it in a future chapter.

We’ve managed to catch it in the wild during commutes.

Other suspects of the same type may also show up in places like study rooms, gyms, and more. They all share the same traits: magnetic locking lid, MagSafe charging support, and bold, eye catching colors. If you spot one of these in the wild, snap a pic and report to us in the comment or DM us. ESRPD will be on the case immediately.

We’re actively investigating this group, full suspect details will be released on June 26. Stay tuned 👀

Passport ✅

Hat ✅

Drinks✅

ESR Cryoboost Foldable 3 in 1 Wireless Charger ✅

Ready for Summer Vacation!!

Hey fam!

It's us again! ESR, a global tech brand here to make using your smart devices easier with designed accessories.

Actually, over the past 2 years, ESR has been working on a brand-new Apple Watch band, and we're finally at the stage where we'd love to get feedback from real users before bringing it to market. From the office to the gym, this band is built to keep up with wherever the day takes you.

From past beta testing programs, we received so many great and valuable feedback. Community members helped us improve the weight distribution of the Shift Case, strengthen the ring on our MagSafe Wallet, and refine countless smaller details that might otherwise have been overlooked. That’s why our first thought was to come back to our fam community.

Who we're looking for:

• Apple Watch users
• People who wear their watch regularly
• Willing to share honest feedback in our subreddit (r/ESR_official), after using the product
• Bonus points if you've tried bands from other brands and know what you like (or dislike)

What you'll get:

• Early access to the unreleased ESR Apple Watch band
• A chance to directly influence the final product

What we'd like beta testers to do:

• Use the band in your daily life
• Share your honest thoughts as a Reddit post in our subreddit (r/ESR_official). We care about the good, the bad, and everything in between.

Interested?

Leave a comment below and tell us:

1. Which Apple Watch model do you use?
2. What's the one thing you wish more Apple Watch bands did better?

Important notes:

1. This is not a giveaway. Please only participate if you are willing to post a review. Users who receive a sample but do not submit a review post will be ineligible for future beta programs.
2. There’s no need to overpraise, honest feedback and real experience are what we value most. Accounts must be at least two months old to participate.
3. Beta testers must be members of r/ESR_official before applying. We will also ask for a screenshot showing that you have joined r/ESR_official.
4. Selected testers will be announced publicly and contacted via DM. Once the tester list is announced, selected users must provide the following information within 48 hours:

• Full name
• Phone number
• Shipping address
• Apple Watch model

We'll select 8 testers from the comments!

As always, thank you for helping us build better products. ❤️ Good Luck everyone!

I mean, let’s be honest, it’s not exactly easy to hang an iPhone 17pro on a clothesline.

Hi fam!

It’s ESR, a global tech brand here to make using your smart devices easier with thoughtfully designed accessories.

Summer is here ☀️ and we felt it’s the perfect time to bring in some fresh new energy. So we’ve launched new SUMMER COLLECTION for our iPhone 17&17pro Hybrid Case.

As always, the Hybrid Case is built to balance everyday protection with a clean profile, now in colors that feel a bit more… summer-ready.

🎁 Giveaway

Yes, as always, we’re giving away a few Hybrid Cases in the new colors!

Join r/ESR_official on Reddit and tell us in the comments:
What’s your go-to “summer moment”? (travel, beach days, road trips, or just staying cool indoors 😄)

We’ll be picking two lucky users from the comments to win a free iPhone 17 Hybrid Case summer collection.

Terms:

• Join r/ESR_official community on Reddit
• Leave a comment below
• Reddit account ≥ 30 days old
• Worldwide entries welcome

Thanks for being part of the ESR community, and good luck! 🍀☀️

 Mark your calendars: May 25.