Every Xteink X4 & X3 accessory, in one list

eReader Magnetic Reading Light

The purpose-built one. Snaps to the X4's back magnet or clips to any book. Three colour temperatures, stepless 8–100% brightness, USB-C, 3–15h runtime.

X4 Magnetic Case

Official ultra-light back-snap case in six colours. Adds protection while keeping the magnetic mounting and slim profile.

X3 Magnetic Case

The X3 version of the official magnetic back-snap case. Precise fit, six colours.

X4 Protective Case

14g semi-transparent polycarbonate shell — slim everyday knock protection that stays see-through.

X4 Matte Screen Protector

Paper-feel matte film that cuts glare and adds a little writing texture to the X4 screen.

X4 Tempered Glass Screen Protector

Tempered-glass film for scratch and crack protection without the matte texture.

X3 Matte Screen Protector

Paper-feel matte film for the 3.7-inch X3 screen.

X3 Tempered Glass Screen Protector

Tempered-glass film for the X3.

eReader Magnetic Stick-On Ring

Official stick-on magnetic rings (3 black + 3 white) for phone-back carry on non-MagSafe phones.

X3 Magnetic Pogo Pin Charging Cable

Spare proprietary magnetic pogo-pin charging cable for the X3. Worth a backup — it's easy to lose.

CoBak Magnetic Case for Xteink X4

Ultra-light PU-leather back-snap case for the X4 — keeps the magnetic mount and slim profile, soft anti-scratch liner inside. Sold in several colours (brown, black, red, sage green).

Shantime Leather Flip Wallet Case

Budget faux-leather flip wallet for the X4 — magnetic closure, two to three card slots and a built-in kickstand. Sold in several styles (Oxford fabric, window, wallet, business).

UOGNADGD Colourful Case + 2× Tempered Glass

Colourful shockproof X4 cover bundled with two tempered-glass screen protectors — case plus screen protection in one cheap pack.

Leather Sleeve Case — Vegetable Tanned

Handmade full-grain vegetable-tanned leather sleeve, individually cut for a snug fit. Develops a patina with use; made for both X3 and X4.

Handmade Book-Style Case (PETG)

Slim book-inspired case 3D-printed to order in PETG, styled like a traditional hardcover.

Personalized Leather Pen Pouch Cover

Genuine-leather pouch a touch larger than the official case, adding a card slot and a pen holder. Personalisable with name engraving.

Handmade Wet-Mold Leather Sleeves (Vietnam)

Wet-moulded leather cases hand-shaped to exact X3/X4 dimensions by u/handmadefromvietnam. Each piece is made to order.

Caution: Made to order on the maker's site — lead time varies.

XTEINK X3 Slim Case — Lightweight & Durable

Lightweight third-party slim case made specifically for the X3, sold via eBay.

X4 Clip-On Case by Osaka System

The most-downloaded X4 case on Printables — clips over the official protective case to add grip and protection. Free STL.

X4 Case (TPU) by Mic Kuo

Flexible TPU X4 case that prints without supports; heat-treat the closed lid for a perfect fit. Includes a PDF guide.

Simple X4 Case (PETG) by AxioPaladin

Reversible X4 case — face-up to read, flip face-down to protect the screen in transit. PETG, no supports.

X4 360° Hinge Case by Zorian22

Three-part print (front, back, 360° hinge) that folds completely flush and snaps closed. STL + 3MF.

X4 Device Reference Model by Zorian22

Caliper-measured 3D reference model of the X4 — the base file for designing your own accessories.

X4 Case with Magnet Ring Slot (TPU Folio)

Folio-style TPU case with a built-in magnet-ring slot so the ring stays put, plus grooves for the page-turn buttons.

Yuexingtong X4 Side Slide Case v2

Side-sliding X4 case singled out as a community favourite in the unofficial X4 FAQ.

Ulanzi Magnetic Accessory

Ulanzi's MagSafe-style magnetic rings, grips and mounts attach to the Xteink's magnet — share one magnetic ecosystem with your phone.

PopSockets MagSafe Phone Grip

A MagSafe PopSockets grip doubles as an Xteink mount: the reader's magnet clicks onto the MagSafe base for dual-use carry.

Traveler's Notebook (Passport / Card Size)

An X3 with its magnetic cover slips into a passport-size Traveler's Notebook (or a card-size TN solo) for a minimal EDC carry setup.

LOCHBY Mini Pocket Journal

Waxed-canvas pocket journal that fits the X4 alongside an A7 notebook and pen — a reading-plus-notes kit in one zip pouch. Ships with a Tomoe River A7.

LOCHBY Pocket Journal with Zipper

The larger LOCHBY — fits the X4 in portrait with room for two pocket notebooks, a card slot and a pen. Doubles as a wallet or passport holder.

X3 Pogo Pin → USB-C Adapter

Magnetic pogo-pin-to-USB-C adapter that replaces the proprietary X3 cable so any USB-C lead works. Budget 2-pin units run ~$8–10; premium multi-pin ~$20–40.

SanDisk microSD Card

Owners report the factory-bundled microSD can overheat and fail — the community fix is a name-brand SanDisk. 256GB is the price-to-capacity sweet spot for a big offline library.

Caution: Format the card as exFAT; the X3 and X4 support microSD cards up to 512GB.

X4 Magnetic Case (AliExpress)

Third-party magnetic back-snap case for the X4 (4.9★, 800+ sold on AliExpress). Keeps the magnetic mount; sold in several case colours.

Caution: AliExpress third-party listing — confirm the seller rating and current price on the page before buying; marketplace listings can change or sell out.

Full-Wrap Magnetic Case for X4/X3 (AliExpress)

Full-wrap, anti-collision magnetic cover with reinforced corners — one listing bundles both an X4 and an X3 fit (4.9★, 500+ sold).

Caution: AliExpress third-party listing — confirm the seller rating and current price on the page before buying; marketplace listings can change or sell out.

Clip-On LED Reading Light for X3/X4 (AliExpress)

Rechargeable clip-on book light marketed for the X3/X4 on AliExpress.

Caution: Two problems: it is a CLIP-ON light that grips the panel edge — the kind this guide warns can crack a bare e-ink screen — and the listing currently returns "page can not be found" (delisted). Test entry only; do not ship live.