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Onyx BOOX Releases 10.3″ Tab Ultra C, Combining Kaleido 3 with BOOX Super Refresh Technology

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Onyx BOOX Releases 10.3

BOOX has just unveiled the Tab Ultra C, their newest color E Ink device, following the positive reception of their award-winning Tab Ultra from the previous year. They have also presented the distinctive characteristics that set the Tab Ultra C apart as an exceptional tool for enhancing work and productivity.

State-of-the-art Color E Ink Screen

The Tab Ultra C marks a noteworthy achievement for BOOX, as it is their first device to integrate the cutting-edge Kaleido 3 color E Ink screen technology, which provides a superior resolution of 300 PPI for black and white, as well as 150 PPI for exhibiting a broad range of 4,096 colors. Additionally, the screen showcases the inventive E Ink ComfortGaze™ front light technology, which is intended to enhance viewing comfort for users during both day and night usage.

Reimagined Refresh Experience

BOOX has integrated the ultra-smooth performance of their Tab Series into the Tab Ultra C's color E Ink screen, utilizing the BOOX Super Refresh Technology driven by an advanced Qualcomm Octa-core CPU and an exclusive GPU. This facilitates four distinct refresh modes that are optimized for different functions such as reading, note-taking, and utilizing apps on the ePaper screen. Notably, scrolling through web pages and news feeds is now a remarkably smooth and pleasurable experience.

Onyx BOOX Releases 10.3

Uncompromised System Performance

The Tab Ultra C is equipped with a spacious internal storage capacity of 4GB RAM + 128GB ROM, along with an expandable microSD card slot, which enables it to deliver exceptional performance on par with traditional tablets when utilizing third-party apps. Much like its monochrome counterpart, it also features a high-resolution 16MP rear camera that functions as a built-in document scanner with OCR capability. Furthermore, it is compatible with a wide range of third-party photo and scan applications, offering users various options for effortlessly capturing and managing documents.

All-round Productivity Features

The native support for 24 digital formats enables users to take direct and vibrant notes on any compatible document without requiring any conversions, and it ensures seamless synchronization across all of their devices. The built-in Notes app includes a wealth of useful tools designed to stimulate creativity, encourage deeper thinking, and boost overall productivity.

The device is preloaded with the latest BOOX firmware, which introduces several new features including integrated third-party cloud storage and text note capabilities, as well as additional link options. By linking third-party cloud storage, users can access their ebooks and files with more convenient reading data synchronization, while minimizing power and CPU usage. In the handwritten notes, users can now include links to related information, enabling them to manage their knowledge network more efficiently with just a few taps.

Onyx BOOX Releases 10.3

Comprehensive Support of Accessories

The standard package of the Tab Ultra C comes with the Pen2 Pro stylus, which features an eraser function on the back that enhances productivity when taking handwritten notes. Potential buyers can choose to purchase the magnetic 2-in-1 Keyboard Cover as an accessory, offering additional protection while also serving as an external keyboard when connected via pogo pins located on the side of the device.

The Tab Ultra C is currently available for pre-order in the official BOOX Shop for $599.99 / €649.99, and customers can take advantage of an early bird special offer to add $50 / €50 (55% OFF) to include an additional keyboard cover.

About Onyx BOOX

BOOX is a global leading E Ink electronic brand of Onyx that specializes in E Ink tablets and monitors. It offers 6inch to 13.3inch E Ink products to assist aspiring, persistent, and innovative users in becoming more productive in work and study without straining their eyes. With cutting-edge hardware and advanced software, BOOX is the world's only E Ink electronic brand that combines E Ink with Android and provides maximum flexibility. More product information can be found at

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