Youdao Dictionary Pen X7 Series Unveiled at CES 2025, Showcasing Advanced AI Innovations

DAO
October 08, 2025

Youdao, Inc. showcased its AI-equipped smart device, the Youdao Dictionary Pen X7 series, at the International Consumer Electronics Show (CES 2025) in Las Vegas on January 10, 2025. The X7 series features proprietary applications such as Hi Echo and Mr. P AI Tutor, which are powered by the company's 'Zi Yue' educational large language model.

A significant technological advancement highlighted was the X7 series' offline translation capabilities, delivered through an edge-side large language model. This innovation achieves translation accuracy comparable to online Neural Machine Translation (NMT), enhancing the device's utility for language learning without requiring an internet connection. The Mr. P AI Tutor, integrating LLM and Retrieval-Augmented Generation (RAG) technology, offers guided explanations and comprehensive Q&A support for K-12 math problems.

The Youdao Dictionary Pen X7 series has demonstrated strong market reception, becoming the best-selling product in its price range and selling over 30,000 units. During the 2024 Nov 11th Shopping Festival in China, the Youdao Dictionary Pen X7 Pro topped several industry rankings on major e-commerce platforms, marking the fifth consecutive year Youdao dictionary pens held the top sales position in their category on JD.com and Tmall.

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