Onyx Boox Note Air 4 C

Name: Onyx Boox Note Air 4 C
Brand: Onyx
SKU: 15408

Manufacturer: Onyx

The Onyx Boox Note Air 4 C is a sleek e-reader designed for those who need a large, high-resolution screen for reading and productivity. With its 10.3″ display, it offers a smooth user experience, while the built-in 6GB RAM ensures efficient multitasking and responsiveness.

Key technical features of the Onyx Boox Note Air 4 C include a high-resolution 1860 x 2480 px e-paper display, 64GB of internal storage, and support for up to 2TB of external memory. It also offers Wi-Fi 4 and Wi-Fi 5 connectivity, Bluetooth 5.1, and a 3700 mAh rechargeable battery, all packed in a slim 5.8 mm thick body.

Pros

The 10.3″ e-paper display provides a large, high-resolution reading experience, ideal for digital content consumption.
Built-in stereo speakers enhance audio playback for media and other uses without requiring external devices.
Supports text-to-speech, making it accessible for users who prefer auditory reading or need assistance.
Offers a multi-user system, allowing different individuals to have personalized experiences on the same device.
Includes useful features like dynamic theming, customizable notifications, and dark mode for a more personalized user interface.

Cons

Does not support cellular connectivity, limiting mobile access to the internet without a Wi-Fi connection.
Lacks support for fast charging, which may increase the time needed to recharge the device.
Does not feature an HDMI output for connecting to external displays or projectors.
No NFC capabilities, restricting the use of contactless payment or data transfer via NFC-enabled devices.
Does not include a front camera, limiting its ability for video calls or capturing photos.

Who is this for?

The Onyx Boox Note Air 4 C is ideal for users seeking a versatile, portable device for reading, note-taking, or document annotation. With its 10.3″ e-paper display and high resolution, it provides a comfortable, glare-free reading experience, even under bright lighting. Its text-to-speech and built-in dictionary features also make it a great choice for those who require additional accessibility tools, while the multi-user system allows for shared usage across different individuals.

Who is this NOT for?

This device may not be suitable for users needing extensive media creation or heavy multitasking. It lacks features such as a front camera or support for fast charging, making it less ideal for video calls or quick recharging. Additionally, the absence of cellular connectivity and limited external connectivity options (e.g., no HDMI or NFC) may restrict its usability for those needing always-on internet access or seamless device integration in certain environments.

Design:

weight	430 g
volume	252.9844 cm³
width	193 mm
thickness	5.8 mm
height	226 mm

The Onyx Boox Note Air 4 C features a compact design with a weight of 430 g and a volume of 252.9844 cm³. It has a slim profile with a thickness of just 5.8 mm, measuring 193 mm in width and 226 mm in height, making it lightweight and easy to handle for extended reading or note-taking sessions.

Display:

screen size	10.3"
is self-lit	✓
pixel density	300 ppi
Has an e-paper display	✓
has a touch screen	✓
has anti-reflection coating	✓
resolution	1860 x 2480 px
has branded damage-resistant glass	✕

The Onyx Boox Note Air 4 C features a 10.3″ e-paper display with a high resolution of 1860 x 2480 px, offering a pixel density of 300 ppi for sharp and clear text. The screen is self-lit for reading in low-light conditions and includes an anti-reflection coating, ensuring a comfortable viewing experience even in bright environments. It also supports touch input for easy navigation and interaction.

Performance:

internal storage	64GB
has an external memory slot	✓
RAM	6GB
CPU speed	8 x 2 GHz
maximum amount of external memory supported	2000GB

The Onyx Boox Note Air 4 C offers strong performance with 6GB of RAM and a powerful 8 x 2 GHz CPU, ensuring smooth multitasking and efficient operation. It comes with 64GB of internal storage for storing documents and files, and supports external memory expansion up to a massive 2000GB, making it highly versatile for various storage needs.

Connectivity:

has a cellular module	✕
supports Wi-Fi	✓
Wi-Fi version	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Has Bluetooth	✓
Bluetooth version	5.1
has a search browser	✓
has NFC	✕
has an HDMI output	✕

The Onyx Boox Note Air 4 C supports reliable connectivity options, including Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), allowing for fast internet access. It also features Bluetooth 5.1 for wireless device pairing and includes a built-in browser for easy web browsing. However, it does not include NFC or an HDMI output.

Battery:

battery power	3700 mAh
Has USB Type-C	✓
has a removable battery	✕
Supports fast charging	✕
has wireless charging	✕
has a rechargeable battery	✓
has a battery level indicator	✓

The Onyx Boox Note Air 4 C is equipped with a 3700 mAh rechargeable battery that ensures extended usage. It features a USB Type-C port for convenient charging, but does not support fast charging or wireless charging. Additionally, the device includes a battery level indicator to keep track of the remaining power, though the battery itself is non-removable.

Features:

release date	January 2025
has a built-in speaker	✓
has dictionary	✓
supported file types	26
supports text-to-speech	✓
has a socket for a 3.5 mm audio jack	✕
has GPS	✕
has stereo speakers	✓
has an accelerometer	✓
has a compass	✕
Has a radio	✕
has a front camera	✕
has a built-in HDR mode	✓
has a child lock	✕
has a gyroscope	✓

The Onyx Boox Note Air 4 C is equipped with several useful features, including stereo speakers for clear audio and a built-in dictionary for quick reference. It also supports text-to-speech for reading aloud text, enhancing accessibility. Additionally, the device includes an accelerometer and a gyroscope, adding to its interactive capabilities, but it does not feature a compass, radio, or front camera.

Miscellaneous:

has media picker	✓
has notification permissions	✓
has Mail Privacy Protection	✕
Tracks the current position of a mobile device	✓
blocks cross-site tracking	✕
can block app tracking	✓
has Quick Start	✕
has dynamic theming	✓
is a multi-user system	✓
Has customizable notifications	✓
has clipboard warnings	✓
has on-device machine learning	✓
has location privacy options	✓
has camera/microphone privacy options	✓
Supports widgets	✓
has theme customization	✓
has focus modes	✕
has dark mode	✓
supports split screen	✓
has full-page screenshots	✓
supports slow-motion video recording	✓
Has sharing intents	✓
has Live Text	✓
has voice commands	✓
has an extra dim mode	✓
has Wi-Fi password sharing	✕
has battery health check	✕
Can play games while they download	✓
Has offline voice recognition	✓
can offload apps	✕
has PiP	✓
can create panoramas in-camera	✓
Is free and open source	✓

The Onyx Boox Note Air 4 C includes a variety of useful features, such as widgets for easy customization and Live Text support for selecting text in images. It also offers multi-user system capabilities, enabling multiple user profiles, and has built-in on-device machine learning for enhanced functionality. Additionally, it supports features like dark mode, split-screen multitasking, and privacy options like camera/microphone access control and location privacy.

Final Verdict

The Onyx Boox Note Air 4 C is a solid choice for users seeking a large-format e-reader or note-taking device with an exceptional 10.3″ e-paper display that delivers sharp text and a glare-free experience. Its comprehensive features like text-to-speech and multi-user system enhance accessibility and shared usage. While lacking cellular connectivity and fast charging, it excels for reading, annotation, and basic productivity tasks. This device is best suited for those prioritizing readability and document interaction over multimedia-heavy usage.