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Description
IP67 Waterproof Wireless Smartwatch Fitness TrackerKeep an eye on wellness with advanced health monitoring with our wireless smart tracker! It can automatically record your all day activity tracker such as pedometer, sleep monitor as well as provide heart rate, blood pressure, blood oxygen monitoring and detailed analysis in the app to care for your health. It features more functions such as shake camera, messaging notifying, phone dialing etc.. After about 2. 5 hours of full charge through the
Keep an eye on wellness with advanced health monitoring with our wireless smart tracker! It can automatically record your all-day activity tracker such as pedometer, sleep monitor as well as provide heart rate, blood pressure, blood oxygen monitoring and detailed analysis in the app to care for your health. It features more functions such as shake camera, messaging-notifying, phone dialing etc.. After about 2.5 hours of full charge through the included charging cable, 3-5 days standby time.
Features:
- Smart Watch Fit for Android/IOS Phones: Compatible with most IOS 8.5 & Android 4.4 and above smartphones. Download, scan and install "WearFit 2.0" app, bind this smart watch in your APP, you can receive alerts of calendar, SMS, incoming calls and SMS on this watch. Never miss any important things! (Wireless V4.0 and above smartphones only, not for PC or tablet.)
- Accurate Fitness Tracker: Accurately record all-day activities like steps, calories burned, miles walked, active minutes, physical status during exercise and support 8 sports including fast walking/running/cycling/mountain climbing/football/basketball/badminton/ping-pong.
- Care For Your Health: Automatically monitor your real-time heart rate and provide comprehensive analysis of your sleep quality (deep sleep, light sleep and wake up time) to help you develop a healthier lifestyle. It can also measure your blood oxygen value, blood pressure value and fatigue and you can view more detailed information analysis and data record in app.
- IP67 Waterproof Fitness Watch: IP67 waterproof rating, which can be used for daily life waterproof, such as wearing it when washing hands or running in the rain. (Note: Do NOT use it for swimming)
- More Practical Functions: Our smart watch also comes with many practical functions, such as stopwatch, sedentary reminder, screen time adjustable, find phone, charging reminder, upgrading reminder, calling reminder, alarm clock, etc.
- Dimensions: 5.31 x 1.34 x 3.35
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4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 3
Already outdated
Format: Paperback
Concepts are sound but the code in this book is already obsolete
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Reviewed in the United States on August 5, 2025
★★★★★ 5
Unlocking Practical AI: A Developer’s Guide to Building with LLMs and LangChain
Format: Paperback
If you're a developer eager to move beyond LLM experimentation and build robust, context-aware AI applications, this book offers both inspiration and practical guidance. The authors open with a clear passion for the transformative potential of large language models (LLMs) and LangChain, framing these technologies as not just enhancements to the developer’s toolkit, but as gateways to new kinds of “thing-building” superpowers. This sense of possibility is grounded in step-by-step instruction, making the book approachable for those with Python or JavaScript backgrounds who may be new to the world of production-grade AI agents.
What stands out is the book’s careful scaffolding: starting with foundational concepts like prompt-based programming and progressing to advanced capabilities such as retrieval-augmented generation, agent planning, and tool integration. Each stage is contextualized with real-world use cases, like customizing chatbots to interact with your own documents, personalizing user experiences through memory, and deploying to production with reliability and security in mind. The focus on chain-of-thought reasoning and LangGraph’s agent architecture demonstrates the authors’ awareness of the current state of AI, where context and planning are just as important as raw language ability.
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Reviewed in the United States on July 17, 2025
★★★★★ 5
Excellent Handbook
Format: Paperback
What got my interest in this book is the author. He's well-known as a leader in the LangChain world. And his book did not disappoint. It goes through the whole life cycle of development and there is a lot useful insights. If you are looking to build real-world genAI/agentic apps, then this book is certainly a great choice.
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Reviewed in the United States on April 11, 2025
★★★★★ 5
Useful resource!
Format: Paperback
I found this book well written and extremely useful for getting comfortable with LLMs for building AI apps in production and other agent driven applications.
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Reviewed in the United States on April 10, 2025
★★★★★ 5
Fantastic!
Format: Paperback
A great primer on getting started with LangChain concepts!
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Reviewed in the United States on April 10, 2025