PASSIVE NFC / E-INK DISPLAY
E-INK PHOTO MAGNET

YOUR PHOTOS,
MADE PHYSICAL.

COMPANION APP · CARD REQUIRED

INFINITE PHOTOS. ZERO CHARGING.

未來の相片

// SYSTEM ONLINE

Where to get it ↓
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.

WATCH THE COMMERCIAL ↗
The actual Z3R0 card lying tilted on a light wood desk, photographed on a phone.
// THE ARTIFACT — ACTUAL PHOTO THE REAL CARD — PHONE PHOTOGRAPH
COLOR E-INK· PASSIVE NFC· ZERO BATTERY
02 THE CARDS
PLURALITY · ZERO POWER

ONE IS
RARELY ENOUGH.

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

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.
The real Z3R0 card, its screen showing 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
App home screen: in-app wordmark, EN · 繁 and Info pills, helper line 'Pick a photo. Hold the card to the back of your phone.', cyan-outlined New photo pill.
// 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.
  1. 01

    Pick a photo in the app.

  2. 02

    Preview it on the card. Adjust until it is right.

  3. 03

    Hold the card to the top of your iPhone's back and hold to flash — about 30 seconds.

06 ZERO POWER
Ceremony screen: bracketed final couple image, // ARTIFACT UPDATED, four ink dots grey yellow black red, STAYS FOREVER · ZERO POWER, Done.
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

HONG KONG.

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?
Direct on Instagram @z3ro.hk. Shipping within Hong Kong only.
10 THE COMPANY
LEGAL ENTITY

THE HOUSE
BEHIND THE CARD.

Z3R0 — the brand, this website, the card, and the companion app — is designed, sold, and supported by Prodigy Trading Company Limited, a company registered in Hong Kong.

ENTITY
Prodigy Trading Company Limited
BUSINESS
Design and sale of the Z3R0 E-Ink Photo Magnet and its companion iPhone app.
MANUFACTURE
Card hardware manufactured by VidaBay.
REGISTERED
Hong Kong
CONTACT
ren@zerohk.ai