Founded 2009 130M+ users worldwide TIME Best Inventions 2025

Charging that stays fast, protection that stays invisible. That's ESR.

Qi2 25W CryoBoost® charging stations with active cooling, MagSafe-compatible cases, Armorite® screen protectors and iPad keyboard cases — one accessory brand for every device on your desk.

Free shipping and returns on the official ESR store. Prices shown at checkout.
MEDIA SLOT 1 — Hero image 1200×750px · CryoBoost 3-in-1 charging station in use
130M+Users worldwide
43Countries served
1,200+Retail partners
4.6/5Average customer rating
Why ESR

A 17-year-old accessory brand, not a marketplace reseller

ESR has been designing phone and tablet accessories since 2009 under WayMeet Limited, with its own patents and trademarks — Armorite®, CryoBoost®, HaloLock®, FlickLock® — registered in the US, EU and China. That matters for two reasons: the engineering is in-house, and the warranty is real.

  • Independently reviewed. The CryoBoost Foldable 3-in-1 made TIME's Best Inventions of 2025; the OmniLock car charger earned a TIME Special Mention.
  • Standards-first. Qi2 and Qi2 25W certified, so charging speed is verified by the Wireless Power Consortium, not a marketing claim.
  • Priced below Apple first-party. Comparable magnetic charging and protection at a fraction of the Apple accessory price.
  • Buy from the official store. ESR enforces a zero-tolerance policy on unauthorised sellers — third-party marketplace listings often void the warranty.
Visit the Official ESR Store →
MEDIA SLOT 2 — Brand / award visual 1000×625px · Product family shot or TIME Best Inventions badge
The lineup

Six categories, one ecosystem

Everything snaps to the same magnetic system, so a case bought today still works with the charger bought next year.

Phone Cases

Cyber Tough and Classic Hybrid cases for iPhone and Galaxy — military-grade drop protection, built-in Camera Control button, magnets aligned for Qi2.

Browse cases →

Wireless & Wired Chargers

Qi2 25W CryoBoost stations, foldable travel chargers, OmniLock™ car mounts and the MagSlim power bank — the fastest wireless speed an iPhone 17 will accept.

Browse chargers →

Screen Protectors

Armorite® Pro tempered glass with a 9H+ hardness rating and a one-tap alignment frame — no bubbles, no dust, no second attempt.

Browse protectors →

iPad Cases & Keyboards

Rebound Magnetic Keyboard Case 360 with a detachable backlit keyboard, trackpad and full 360° rotation — a laptop replacement setup at tablet weight.

Browse iPad gear →

Magnetic Wallets & Stands

HaloLock® wallets with Find My tracking, kickstand wallets and Geo Lock™ alignment — card storage that does not block wireless charging.

Browse wallets →

Watch & AirPods

FlickLock® magnetic AirPods cases, Apple Watch bands and protective bumpers — the small pieces that usually get forgotten.

Browse accessories →
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Under the hood

Four technologies worth understanding before you buy

These are the names on the box. Here is what each one actually does.

CryoBoost® — active cooling

A near-silent fan and heat-conductive plate pull warmth away from the phone as it charges. Without it, a phone throttles wireless charging to protect the battery within minutes. With it, a Qi2 25W charger holds peak speed long enough to matter.

Qi2 25W (Qi2.2)

The open standard that raised wireless charging from 15W to 25W — the ceiling the iPhone 17 series accepts. Magnetic alignment is built into the spec, so it snaps on exactly like MagSafe and also works with Qi2-certified Android phones.

Armorite® — glass that survives

Tempered glass rated above 9H with an oleophobic coating, shipped with a one-tap alignment frame. You get flat installation on the first try instead of the usual bubble-and-retry ritual.

HaloLock® & Geo Lock

ESR's magnet array and locking geometry. HaloLock holds accessories through a case; Geo Lock adds a mechanical catch so a wallet or car mount will not slide off over a pothole.

MEDIA SLOT 3 — Technology demo 1400×600px · CryoBoost cutaway diagram, thermal comparison, or 20s product video
Editor's picks

The four ESR products worth starting with

Announced at CES 2026 and the strongest entries in the current lineup.

MEDIA SLOT 4 — CryoBoost Foldable 3-in-1 900×560px · product photo, folded + unfolded
TIME Best Inventions 2025

CryoBoost® Foldable 3-in-1 Charging Station

Folds to 15.8 mm and charges iPhone, Apple Watch and AirPods at once. The travel charger that replaces three cables.

  • Wireless speedQi2 25W
  • CoolingActive CryoBoost fan
  • Folded thickness15.8 mm
  • Best forTravel & hotel desks
Check Current Price →
MEDIA SLOT 5 — CryoBoost 3-in-1 Station 900×560px · on a nightstand, Sleep Mode on
Home & office

CryoBoost® 3-in-1 Magnetic Charging Station

The stationary version: detachable USB-C watch charger, portrait and landscape modes, and a Sleep Mode that quiets the fan overnight.

  • Wireless speedQi2 25W
  • Watch chargerDetachable USB-C
  • Viewing modesPortrait + landscape
  • Best forDesk & nightstand
Check Current Price →
MEDIA SLOT 6 — OmniLock Car Charger 900×560px · mounted on a vent, phone attached
TIME Special Mention

OmniLock™ Magnetic Car Charger

Qi2 25W in the car with CryoBoost cooling, a 360° rotating head and reinforced clamps that hold through rough roads.

  • Wireless speedQi2 25W
  • Rotation360° head
  • MountReinforced clamp
  • Best forNavigation & rideshare
Check Current Price →
MEDIA SLOT 7 — MagSlim Power Bank 900×560px · thickness comparison shot
Thinnest in class

MagSlim Power Bank — 10,000 mAh

At 13.8 mm, the thinnest Qi2 25W power bank on the market, tuned for the iPhone 17 series. Fits in a jacket pocket with the phone still attached.

  • Capacity10,000 mAh
  • Wireless speedQi2 25W
  • Thickness13.8 mm
  • Best forCommuting & events
Check Current Price →
Before you buy

Questions people ask first

What is CryoBoost and why does it matter?

CryoBoost is ESR's active cooling system built into the charger itself. A quiet fan and a heat-conductive plate pull heat away from the phone while it charges, so the phone does not throttle charging speed to protect its battery. In practice it means a Qi2 25W charger holds its peak rate for longer instead of dropping to a trickle after ten minutes.

Is Qi2 25W the same as MagSafe?

Not identical, but compatible. Qi2 is the open industry standard that adopted magnetic alignment from MagSafe; Qi2 25W (Qi2.2) raises the ceiling to 25 W, matching the fastest wireless speed the iPhone 17 series accepts. ESR chargers snap on exactly like a MagSafe accessory and also work with Qi2-certified Android phones.

Does ESR work with Android phones?

Yes. ESR makes cases for Samsung Galaxy and Google Pixel, and its Qi2 chargers work with any Qi2-certified Android phone. Android phones without built-in magnets need a magnetic ring or a HaloLock-compatible case to snap on — they will still charge, just without the automatic alignment.

How long is the ESR warranty, and where should I buy?

ESR offers a limited manufacturer warranty on products bought through its official store and authorised retailers, plus lifetime support on select screen protectors. ESR enforces a zero-tolerance policy on unauthorised sellers, so a cheaper marketplace listing frequently means no warranty and no support. Buying from the official store is what keeps the cover valid.

Which ESR charger should I start with?

If you travel, the CryoBoost Foldable 3-in-1. If the charger lives on one desk, the standard CryoBoost 3-in-1 with Sleep Mode. If you spend hours driving with navigation running, the OmniLock car charger — that is the scenario where active cooling makes the largest difference.

Ready when you are

Get the ESR lineup at the official store price

Current promotions, full warranty cover and free returns — all applied automatically when you go through the official store.

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