SKU: 21323690829

HKM-324691 Bluetooth Smart Watch with Music Player and Heart Rate Monitor, 1.32-inch IPS Touch Screen, IP67 Waterproof, Wireless Charging, 280mAh Battery

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Description

HKM-324691 Bluetooth Smart Watch with Music Player and Heart Rate Monitor, 1.32-inch IPS Touch Screen, IP67 Waterproof, Wireless Charging, 280mAh BatteryIntroducing the HKM 324691 Bluetooth Smart Watch, a versatile companion designed to keep you connected and informed. This sleek smartwatch features a 1. 32 inch IPS touch screen with a resolution of 360x360, ensuring vibrant visuals and a user friendly experience. Whether you're tracking your workouts or receiving notifications, this watch is built to enhance your daily routine. Equipped with a heart rate monitor using the advanced Zhanheng BD1662_I2C

Introducing the HKM-324691 Bluetooth Smart Watch, a versatile companion designed to keep you connected and informed. This sleek smartwatch features a 1.32-inch IPS touch screen with a resolution of 360x360, ensuring vibrant visuals and a user-friendly experience. Whether you're tracking your workouts or receiving notifications, this watch is built to enhance your daily routine.

Equipped with a heart rate monitor using the advanced Zhanheng BD1662_I2C sensor, the HKM-324691 allows for accurate heart rate tracking, helping you stay on top of your fitness goals. It supports both Android (version 4.4 and above) and iOS (Apple iOS 10.0 or above), making it a great fit for various smartphone users.

With IP67 waterproof certification, this smartwatch is ready to accompany you on all your adventures, whether it’s a stroll in the rain or a swim. The wireless charging capability and a robust 280mAh lithium battery offer 4-5 days of life during normal use and up to 10-15 days on standby, keeping you powered up and ready to go.

The watch comes with a stylish steel strap available in silver, as well as a more casual brown belt option, allowing you to switch up your style as needed. Weighing only 40 grams, it's lightweight and comfortable for all-day wear.

Included in the package are the watch itself, a packing box, data cable, and a user manual, ensuring you have everything you need to get started. Elevate your smartwatch experience with the HKM-324691, where functionality meets style.

Product information:
Flash memory size: 128MB
Andiord system: support Android 4.4 and above
IOS system: Apple IOS10.0 or above
Heart rate sensor: Zhanheng BD1662_I2C
Bluetooth: Bluetooth 4.0+Bluetooth Audio 5.0
Waterproof level: IP67
Product process: zinc alloy +IML
Net weight: 40 grams
Screen size: 1.32 inch full circle
Screen resolution: 360*360
Screen type: IPS full viewing angle color screen
Screen material: TFT
Total length of wrist strap: 260 mm
Wristband material: belt, steel belt
Battery type: Lithium battery
Battery model: 551830
Battery voltage: 3.7V
Battery capacity: 280mAh
Life time: 4-5 days for normal connection and 10-15 days for standby. (Connect to use depends on personal usage)
Charging method: wireless charging
Charging time: about 3 hours
Wristband color: steel belt and silver, brown belt


Packing list:

Packing box, data cable, manual *1


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SKU: 21323690829

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C. J.
Pawtucket, US
★★★★★ 5
fascinating Memoir of Walking the Camino de Santiago
Format: Kindle
I very much enjoyed reading this memoir. I’m in my mid-70s and have been considering it. Wish I had known about it when I was younger. Pearson described lots of the nitty-gritty details of the challenges and triumphs of the Camino.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2025
J
Verified Purchase
John T
New York, US
★★★★★ 5
The best on the subject since LDD3
Format: Paperback
I found this book as impacting me as LDD (by Rubini etc) has been in its days, a de-facto standard established to the point that people keep searching for LDD4/LDD5 to these days, that much desirable. Since LDD3 the last update on 2.6, this book (as well as kernel debugging and hands-on systems programming) is a valuable source of information for modern kernels 5 and 6 for a few years to come. Knowledgeable and easy to follow, captivating attention to keep on reading it through, impressive for a technical book. LDD4+ has now found reincarnated, thank you very much for all the effort composing it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2024
N
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Nick
Charlottesville, US
★★★★★ 5
Compelling, informative, and accurate
Format: Kindle
I really could not be happier with the pace and level of detail this book provides. I am a very surface-level Linux user and I wanted to dive in head first. I often find that when I learn about something that I consider really hard or intimidating in tech, I get better at day-to-day use of the tools and my confidence grows. This book is a real confidence-booster if you crave the knowledge of how things work under the hood.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2024
W
Verified Purchase
Wenhui Zhang
Lake Worth, US
★★★★★ 5
Great book to read
Format: Paperback, Format: Paperback
Great book to keep you updated about upstream Linux
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2024
D
Dieter
Natrona Heights, US
★★★★★ 5
A Hands-On and Deep Guide to Linux Kernel Programming
Format: Paperback
Linux Kernel Programming, Second Edition is a very practical and well-structured book for anyone who wants to understand how the Linux kernel works. It focuses on both theory and real hands-on learning. The book uses a clear style and explains complex topics in a simple way. It is designed to help readers build real skills, not just read concepts. It is especially useful for developers who want to work closer to the operating system. One of the most interesting parts of the book is the strong introduction to kernel programming. It explains how to set up a development environment, build the Linux kernel from source, and write the first kernel module. This section gives readers a solid starting point and builds confidence early in the learning process. It also explains why loadable kernel modules are widely used in real-world projects. Another highlight is the deep coverage of kernel internals. The book explains core concepts such as kernel architecture, processes, threads, and the difference between user mode and kernel mode. These ideas are often hard to understand, but the book presents them in a clear and structured way. This helps readers see how the operating system really works under the surface. The memory management section is especially strong and detailed. The book spends several chapters explaining how memory is allocated and managed inside the kernel. It also explains advanced topics such as page allocation, memory reclaim, and the out-of-memory system. These chapters are very useful for understanding performance and stability in real systems. Another very interesting section is the coverage of CPU scheduling. The book explains how the Linux kernel decides which task runs at a given time. It introduces scheduling policies, priorities, and modern features like control groups. The explanations are practical and supported by examples, which makes the topic easier to follow. The chapters on kernel synchronization are also a major highlight. They explain concepts such as locks, atomic operations, and deadlock prevention. These topics are critical for writing safe and reliable kernel code. The book also shows real examples and common mistakes, which helps readers avoid problems in their own work. Another strength of the book is its hands-on approach. It includes many kernel modules, scripts, and examples that readers can try themselves. This makes learning more engaging and helps turn theory into real skills. The focus on practical work makes the book stand out from more theoretical resources. Overall, this book is a great choice for developers, system programmers, and engineers who want to understand the Linux kernel in depth. It starts with the basics and moves into advanced topics in a smooth way. The combination of clear explanations and practical examples makes it a strong and valuable learning resource.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026

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