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Thin 10.3 inch colour E Ink tablet with magnetic stylus attached

Onyx Boox

Onyx Boox Note Air5 C 10.3" tablet

SKU CH-TWG0-F99A2

A 10.3" Kaleido 3 colour E Ink tablet with adjustable front light, 64GB storage, Bluetooth 5.1 and a magnetic stylus for paper-like reading and note-taking

  • Screen size10.3 in (26.2 cm)
  • Graphics processorEink
  • Paper-like reading with 10.3" Kaleido 3 color E Ink display
  • Fast Android 15 performance from Qualcomm octa-core processor with 6GB RAM
  • Expand storage up to 2TB via microSD and 64GB UFS built-in
  • Magnetic BOOX Pen Plus stylus included for precise note-taking
  • Slim 5.8 mm profile and 430g weight for portable productivity

Paper-like colour E Ink tablet

The 10.3" Kaleido 3 display with adjustable warm and cold front light gives a paper-like feel for reading and handwriting in colour or black-and-white. Android 15 provides broad app compatibility for students, professionals and avid readers who want a single device for documents and notes. The Qualcomm octa-core processor with BSR GPU and 6GB RAM keeps the interface responsive during multitasking.

64GB storage with microSD headroom

Internal UFS storage of 64GB holds a large library of PDFs, EPUBs and images, while microSD expansion up to 2TB adds room for extensive audio collections or project archives. The 3,700mAh battery supports long reading and writing sessions between charges. Heavy video playback or continuous high-refresh use will drain the battery faster than typical document work.

Magnetic stylus and sensors extend use cases

The included magnetic BOOX Pen Plus attaches securely for immediate note-taking and annotation without pairing steps. Fingerprint power button, dual speakers, microphone and auto-rotation sensor enable secure login, audio playback, voice memos and automatic orientation changes. USB-C OTG allows direct connection of keyboards, drives or other peripherals for a desktop-like workflow.

How it compares

Measured against everything we stock in Tablet Computers, at today’s prices. Recalculated every night.

Price $446.99
Pricier than about 79% of the 1,228 comparable items (median $190.99).
Screen size 10.3 in (26.2 cm)
Typical for this category: the median of 1,164 items is 10.2 in.

Specifications

Display
Screen size10.3 in (26.2 cm)
Graphics
Graphics processorEink

Questions about this item

Will the 10.3" Kaleido 3 display and Bluetooth 5.1 let me pair my existing keyboard and headphones without lag?

The tablet runs Android 15 with Bluetooth 5.1, so standard keyboards and headphones pair normally; the E Ink screen refreshes more slowly than LCD, which is noticeable only during fast scrolling.

How can I verify the Qualcomm octa-core processor and 6GB RAM are performing correctly after first boot?

Open the system settings to confirm Android 15 version, 6GB RAM and 64GB UFS storage; run a lightweight benchmark or open several apps to check responsiveness.

Does the box contain the magnetic BOOX Pen Plus stylus and a USB-C cable, or must I buy them separately?

The magnetic BOOX Pen Plus stylus is included; a USB-C cable for charging and OTG is also supplied, while a microSD card for up to 2TB expansion is sold separately.

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