AI E-PAPER NOTE DISPLAYCONSUMER PRODUCTWAITLIST OPEN

ZECTRIX NOTE SERIES / 01

NOTE4

An AI note display that keeps you off your phone

Press the button and speak a task, reminder, or thought you want to keep. The 4.2-inch AI e-paper display keeps reminders, focus sessions, weather, notes, and everyday information visible without pulling you back into your phone.

LAUNCH PRICE · VALID THROUGH OCT 31, 2026
$59.00 USD$79.00 USD

Join now for launch updates and early availability.

Join the waitlist

Official signup on shop.zectrixlab.com. No payment is collected and joining does not reserve a unit.

Front view of a white ZECTRIX NOTE4 showing a task listNOTE4 / BLACK & WHITE E-INK
DISPLAY4.2-inch black-and-white e-paper
VOICE AIVoice capture and task reminders
PLACEMENTMagnetic design and ultra-low power
CONTINUITYiOS and Android app support with ongoing updates

PRODUCT EXPERIENCE ROADMAP

One device.
Two clear paths forward.

NOTE4 hardware is ready to ship. The multilingual consumer experience will continue improving through OTA updates, while the open development path is available from day one.

01 / EVERYDAY USERSOTA ROADMAP

Multilingual experience, actively improving

The multilingual consumer experience for NOTE4 is still under active development. A more complete experience is planned to arrive through OTA updates by the end of September 2026.

SEP 2026Target window for a more complete multilingual consumer experience via OTA.
FIRST-BATCH BENEFIT
Lifetime AI voice access included.Available only for products shipped before October 2026.
View English Quick Start
02 / DEVELOPERSAVAILABLE NOW

Start building as soon as the hardware arrives

The consumer OTA roadmap does not limit development use. With our open-source firmware code and the API interfaces included in the official firmware, developers can start immediately and build custom applications for their own use cases.

DAY ONEOpen firmware code and official-firmware APIs are ready for development.
Open firmware code View API documentation

WATCH / EXPLORE / BUILD

See NOTE4
in motion.

Product walkthroughs, setup guides, and open-source experiments—collected in one place. Choose a video to explore the part of NOTE4 that matters to you.

PRODUCT / FULL FEATURE DEMO

ZECTRIX NOTE4 Full Feature Demo | Voice To-Dos, AI Chat & AI Memory

A full-feature walkthrough of NOTE4, including voice to-dos, AI chat, and AI memory in the current product experience.

Watch on YouTube

VOICE TO ACTION

Say it once.
Skip the tedious steps.

Press the front button and say what you need to do. NOTE4 turns speech into tasks and reminders, making capture faster and keeping important things visible.

01 / PRESSPress the button

A physical front button gives clear, immediate feedback.

02 / SPEAKSay the reminder

Speak the time and task naturally, without opening your phone or finding an app.

03 / STAY VISIBLEKeep it on screen

The task is organized and stays visible whenever you need it.

“Remind me about the meeting at 3 p.m.”

Voice recognition, task creation, and synchronization require a network connection. Available capabilities depend on the current service version.

EVERYDAY FUNCTIONS

Quiet by nature.
Useful in many ways.

It is not a smaller phone for your desk. It keeps only the information worth seeing, with six core functions, all on one calm, non-emissive display.

ZECTRIX NOTE4 displaying everyday information on a desk
01

AI task reminders

Create, review, and manage tasks by voice so they remain visible.

02

Weather clock

See time, date, and weather together at a glance.

03

Focus timer

Keep focus time on your desk without opening a distracting phone.

04

Handwritten notes

Write in the ZECTRIX app for iOS or Android and send the note to your device while preserving the feel of handwriting.

05

Image delivery

Turn photos, illustrations, and important information into static display content.

06

Flexible templates

Adapt the screen to your life with class schedules, calendars, and custom information.

ONE SCREEN, MANY PLACES

One screen for desks and homes

The square 97 × 97 mm body can stand on a desk or attach to a suitable metal surface such as a fridge. Information follows the setting instead of pulling you back to your phone.

NOTE4 displaying a Bitcoin price chart beside a computer
A second brain for your deskTasks, schedules, and useful status
NOTE4 mounted on a fridge for family reminders
Shared family remindersLists, schedules, and everyday reminders
NOTE4 in a study and focus setting
Study and focusFocus timer and task list

REAL USE, NOT JUST SPECS

Why people keep NOTE4 nearby

Feedback from verified ZECTRIX NOTE customers. Reviews are presented anonymously; customer images appear only when cleared for publication.

LESS PHONE
“Picking up my phone and opening an app every time felt tedious. This solves exactly that problem.”
Customer review · B-40510450-0080
VOICE INPUT
“Creating tasks by voice is so convenient, and completed items are cleared automatically.”
Customer review · B-40510450-0047
OPEN & CUSTOM
“The open capabilities leave so much room to explore. It is a device that genuinely makes me happy.”
Customer review · T-0009

These excerpts come from public customer posts and have been anonymized where appropriate.

Close view of a ZECTRIX NOTE4 mounted on a metal surface

LOW POWER, ALWAYS THERE

Up to three months
on one charge

E-paper draws most of its display power only when content changes. Information can remain on screen without continuous backlighting.

≈ 3 MONTHSTested in static standby with one synchronization per day
2.4 GHz Wi-FiBLE 5.02,000+ mAh batteryUSB Type-C charging and data

Actual battery life varies with Wi-Fi conditions, refresh frequency, voice usage, screen content, and battery condition.

READY TO USE, OPEN TO MORE

Ready-to-ship hardware with room to keep creating

Use the ZECTRIX app for iOS or Android to add devices, manage tasks, write notes, choose templates, and send images. Advanced users can also bring their own data and services to the screen through the Wiki, API, and open resources.

View English Quick StartDeveloper Documentation
ZECTRIX NOTE4 API and open capability interface

HARDWARE SPECIFICATIONS

Clear, transparent specifications

You should not need to study the technology before using a consumer product, but the important specifications should still be easy to find.

Display

Panel
4.2-inch black-and-white E Ink display
Resolution
400 × 300 pixels
Features
Custom fast-refresh panel with partial refresh support

Core

Processor
ESP32-S3, dual-core Xtensa LX7
Memory
16 MB Flash + 8MB PSRAM
Wireless
2.4 GHz Wi-Fi + BLE 5.0

Hardware and enclosure

Battery
2,000+ mAh
Port
USB Type-C charging and data
Controls
Front voice and confirm button, side function and power buttons
Peripherals
Speaker, microphone, NFC, status light, and expansion interface
Material
ABS
Dimensions
97 mm × 97 mm × 8.75 mm, including magnetic back

Service and warranty

AI service
First-batch buyers receive lifetime AI voice access. Features and usage conditions follow the current service description.
Limited warranty
Limited warranty and after-sales support are available for eligible product-quality issues. Coverage, available remedies, and return-shipping arrangements vary by the issue, destination, sales channel, and applicable law.
Support
Contact ZECTRIX Support for assessment and return authorization before sending any device.

FAQ

Common Questions

Is NOTE4 ready to use?

Yes. The hardware ships with official firmware and can be used immediately. The multilingual consumer experience is still being refined, with a more complete experience planned via OTA by the end of September 2026. Developers can begin immediately with the open firmware code and official-firmware APIs.

What does “Lifetime AI” include?

First-batch buyers receive lifetime access to AI voice features. Available features, network requirements, and service conditions follow the current service terms.

Does NOTE4 require Wi-Fi?

Voice recognition, synchronization, weather, and cloud content require 2.4 GHz Wi-Fi. The e-paper display keeps its last image when disconnected.

Does the screen stay lit?

No. E-paper uses ambient light and does not need continuous illumination like an LCD or OLED.

Can NOTE4 attach to a fridge?

Yes. The magnetic back can attach to a suitable metal surface.

How do warranty support and returns work?

Limited warranty and after-sales support are available for eligible product-quality issues. Coverage, available remedies, and return-shipping arrangements vary by the issue, destination, sales channel, and applicable law. Contact ZECTRIX Support for assessment and return authorization before sending any device. This does not limit any mandatory consumer rights under applicable law.

KEEP WHAT MATTERS VISIBLE

Keep what matters
in sight

Choose the NOTE4 release that fits you and we will email you when it becomes available. No payment is required to join.

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