Reink Case Knight for Samsung Galaxy S24 Ultra

Coming Soon

World's first 4-color eink phone case

Reink Case C1

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Leading Eink Phone Case

Metal Bracket

First e-ink phone case with bracket, 115° folding angle, suitable for comfortable use in various scenarios.

NFC Tech

No battery, no tail plug. Data and power transfer via NFC.

Tempered Glass

Tough and resistant to falling

E-ink Dynamic Window

The back screen pattern can be changed at will.

TPU Shell

Achieved a balance between protection and softness

Worldwide Shipping

We can deliver to most countries

Customer Service

Please feel free to contact us

Secure Payment

Credit cards & PayPall accepted

Multiple Program

Join us to get rewards

Who we are

Brand Vision

Reinkstone is to change people's way of reading and writing, returning to pure user experience itself through technological innovation. We try to create user-friendly and touching products based on this technology, allowing more people to enjoy the convenience and comfortable use experience brought by color e-paper products.


Reink Case Growth Timeline


Reinkstone launched the project to develop color e-ink screen phone cases

Reink Case

Reinkstone launched the world's first NFC 3-color e-ink phone case

Reink Case C1

Reinkstone launched the world's first 4-color e-ink phone case

Reink Case Knight

Reinkstone launched the 4-color e-ink phone case for Samsung Galaxy S24 Ultra

Keep moving forward

Stay tuned for more innovations and surprises