Z3R0 E-Ink Photo Magnet

01 THE OBJECT

PHYSICAL ARTIFACT

A PHOTOGRAPH
THAT STAYS.

A color e-ink panel in a white frame. It holds one photograph and keeps showing it with no battery and nothing to charge. When you change your mind, your iPhone changes the card.

The Z3R0 card lying tilted on a light wood desk, screen dark — an unretouched phone photograph. — // THE ARTIFACT — UNRETOUCHED REAL CARD — PHONE PHOTO — NO GRADE

COLOR E-INK· PASSIVE NFC· ZERO BATTERY· HK$230

02 THE CARDS

PLURALITY · ZERO POWER

FIVE PHOTOGRAPHS.
FIVE CARDS.
ZERO POWER.

Owners rarely stop at one. Every card holds its own photograph — no battery, no charging, nothing running.

ACTUAL E-INK SIMULATION — THE SCREEN CARRIES THE COLOR

Card with a woman praying at a night temple, incense, amber and magenta tones.

Card with a woman hugging a tan puppy in warm indoor daylight.

Card with a couple back-to-back on a street, woman raising a camera, golden-hour flare.

Card with a dragon-boat crowd at golden hour, red flags.

Card with three women arm-linked outside a night venue, direct flash, dark surround.

03 THE PREVIEW

THE PREVIEW IS THE CARD

SEE HOW
IT WILL LOOK.

BEFORE YOU SEND IT TO THE CARD

Golden-hour street couple: the woman is raising a camera. Clean source photograph before any on-card rendering.

App preview screen: bracketed dithered couple photo, ON CARD / ORIGINAL toggle, REMOVE BG notice, CONTRAST and COLOR sliders, TRUE BOLD INK looks, Flash and Back controls.

// APP PREVIEW LIVE ON-CARD RENDER · CYAN = ACTIVE

04 THE APP

REAL CONTROLS

CROP. EDIT.
PERSONALIZE.

TEXT · DATE · STICKERS · REMOVE BG

// HOME PICK · HOLD · FLASH

App editor with background sheet open: swatch row PHOTO black white red yellow, REMOVE BG button, tabs TEXT STICKERS BACKGROUND, cyan DONE. — // EDIT — BACKGROUND SWAP · REMOVE · DONE

The free companion app prepares the photograph: reframe it, tune contrast and color, set text, a date, stickers, or swap the background. Preview the on-card result before anything is sent. No account, no feed, no cloud library.

FREE · iOS 17+ · EN · 繁

05 THE FLASH

PASSIVE NFC · NO BATTERY

CHANGE IT
FROM YOUR IPHONE.

GUIDED NFC TRANSFER

Flash screen: coaching copy, cyan wireframe phone and card diagram showing the contact point, Hold to flash (cyan) and an alternate option.

01
Pick a photo in the app.
02
Preview it on the card. Adjust until it is right.
03
Hold the card to the top of your iPhone's back and hold to flash — about 30 seconds.

06 ZERO POWER

STAYS FOREVER · ZERO POWER

NO BATTERY.
NOTHING TO CHARGE.

THE PHOTO STAYS ON THE CARD

07 FACTS

SPECIFICATION

THE SPEC SHEET.

COMPATIBILITY: Designed for Apple iPhone 13–18. The app requires iOS 17 or later. It may not work with Android devices.
APP: Free. No account, no feed, no ads, no cloud library.
LANGUAGES: English · 繁體中文
PANEL: Four-color e-ink: black, white, red, yellow. Every photograph is dithered to the panel's inks — the texture is the material.
CARE: Not waterproof. Keep it dry.
SHIPPING: Hong Kong only.

本產品專為 Apple iPhone 13 至 18 設計，未必適用於 Android 裝置。應用程式需要 iOS 17 或以上。本產品不防水，請保持乾燥。目前僅寄送香港地區。

08 WHERE TO GET IT

PURCHASE

HK$230.
HONG KONG.

PRICE: HK$230
RETAIL: Sunning Electronics · CMHK · local shops
DIRECT: Instagram @z3ro.hk ↗
SHIPPING: Hong Kong local only.

09 FAQ

QUESTIONS

PLAIN ANSWERS.

DOES IT NEED CHARGING?

No battery, no charging — the color e-ink holds the image with zero power.

WHICH PHONES WORK?

Designed for Apple iPhone 13–18 with iOS 17 or later. It may not work with Android devices.

HOW DO I CHANGE THE PHOTO?

In the free app: pick a photo, adjust it, preview it on the card, then hold the card to the back of your iPhone and hold to flash.

IS IT WATERPROOF?

No. Keep it dry.

WHERE CAN I BUY IT?

HK$230. Sunning Electronics, CMHK, and local shops — or Instagram @z3ro.hk. Shipping within Hong Kong only.

YOUR PHOTOS,MADE PHYSICAL.

A PHOTOGRAPHTHAT STAYS.

FIVE PHOTOGRAPHS.FIVE CARDS.ZERO POWER.

SEE HOWIT WILL LOOK.

CROP. EDIT.PERSONALIZE.

CHANGE ITFROM YOUR IPHONE.

NO BATTERY.NOTHING TO CHARGE.