Upgraded 4-Color E-Ink Smart Display Phone Case (NFC Fast Transfer | Ultra-Low Power | Full Protection)

Turn your phone case into a customizable E-Ink display — show photos, notes, artwork, reminders & more.

The upgraded E-Ink smart phone case combines protection + customization + ultra-low power display.
Unlike normal cases, it features a built-in 4-color E-Ink screen — allowing you to display photos, quotes, reminders, and personalized art on the back of your phone.

Update the screen anytime using NFC one-tap transfer.
No charging needed. No battery required.
The display keeps your image permanently until the next refresh.

✅ NFC One-Tap Image Transfer

No cable. No Bluetooth.
Just tap → and your phone case updates instantly.

✅ Zero-Power Static Display

E-Ink consumes power only when refreshing.
Once the image is displayed → no power needed.

Keep your photo or note visible all day without draining your phone battery.

❓FAQ

Q: Does it require charging?
No. E-Ink only uses power during a refresh.

Q: Does the screen stay on all the time?
Yes — the image stays displayed without power.

Q: Will it drain my phone battery?
No. NFC uses extremely low power and only during transfer.

Q: Is the case protective?
Yes. It is shock-resistant with reinforced corners.

Q: How many times can I refresh it?
Thousands of times. Designed for long-term use.