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From the brand



Our story

How we got our start?

Founded in 2009, ESR is a global tech company creating simple, effective, and innovative mobile accessories.

What makes our product unique?

From our 110 patents to our award-winning designs, in both form and function, our products make connecting with technology more intuitive.

Why we love what we do?

We’re driven to help people find better ways to interact with technology. By creating products that make tech easier to use, we’ve earned the trust of 100+ million people around the world.

Compatibility: compatible with iPhone 13/12 series, the Samsung Galaxy S21, and more; see Product Description below for a full list of compatible models; once installed the ring can be removed but not repositioned
Easy Installation: intuitive alignment guide makes it a breeze to correctly position the ring on any of the compatible models; iPhone 12 and 13 share the same alignment guide
Power in a Snap: provides easy place-and-go wireless charging by automatically aligning your phone with your MagSafe wireless charger and locking it in place
Heat Management: specially-designed ferromagnetic ring keeps your phone cool whether you’re using standard or magnetic wireless charging