Xiaomi Mi Band 2 Smartband: OLED Touch Screen Fitness Tracker with Heart Rate Monitor

The Xiaomi Mi Band 2 is a feature-focused fitness tracker designed to monitor your daily activity and heart rate with clarity and convenience. Its key upgrade is the integrated 0.42-inch OLED touch screen, which allows you to check your step count, heart rate readings, time, and phone notifications directly from your wrist without needing your phone. Weighing only 7g and constructed from plastic and aluminium, the tracker is remarkably lightweight. It pairs via Bluetooth 4.0 Low Energy (BLE) with Android smartphones running version 4.4 or higher, making it a practical choice for users seeking detailed fitness insights from a simple, durable device.

Features and Construction

The Mi Band 2 combines several core tracking technologies into a compact, wearable format. Its design prioritises functionality and all-day wearability, supported by a long-lasting battery.

Material and Build

The main tracker unit uses a combination of plastic and aluminium, resulting in a total net weight of just 7g. This lightweight construction ensures the band is barely noticeable during daily wear and exercise. The included wrist strap is made from thermoplastic elastomers, a flexible and skin-friendly material designed for comfort. The strap incorporates an aluminium buckle for secure fastening and is adjustable to fit wrist circumferences between 155mm and 210mm, providing a customised fit for most users.

Size and Practical Fit

The Mi Band 2 is defined by its practical dimensions and user-adjustable fit. The supplied wrist strap has a total length of 235mm but can be trimmed or adjusted via the buckle to achieve a secure length between 155mm and 210mm. This adjustability ensures the optical heart rate sensor on the underside maintains consistent contact with your skin for accurate readings. The 0.42-inch OLED screen, while compact, provides a bright and clear display for the essential data points, making the interface straightforward and easy to read in various lighting conditions.

Uses and Placement

This tracker is built for 24/7 wear, supporting both fitness monitoring and everyday convenience features. Its robust design and connectivity features cater to active lifestyles and general phone users.

Event or Professional Use

For fitness enthusiasts and those monitoring their health, the continuous optical heart rate sensor provides valuable data on exertion levels during workouts and resting heart rate trends. The integrated ultra-low power acceleration sensor accurately counts steps and estimates calorie burn. The IP67 waterproof rating adds versatility, allowing you to wear the band during runs in the rain, while sweating heavily, or when washing your hands, meaning you don't need to remove it for most daily activities involving water.

Everyday Home Use

Beyond exercise tracking, the Mi Band 2 serves as a convenient wrist-worn companion. The OLED screen displays incoming call alerts, SMS messages, and app notifications pushed from your connected Android phone. It also functions as a silent vibrating alarm clock, useful for waking up without disturbing others. The 20-day standby battery life, powered by the 70mAh cell, means you can wear it for weeks between charges, integrating seamlessly into your daily routine without constant battery anxiety.

Benefits and Buying Value

The Mi Band 2 offers a balance of core tracking features, durability, and extended usability, presenting a practical value proposition for users seeking essential smartband functions.

Reuse and Low Maintenance

The product is designed for long-term daily use. The robust IP67 construction protects the internal components from dust and water splashes, enhancing its longevity. The strap material is resistant to everyday wear and can be wiped clean if needed. With a typical charge current of 45mA (at 5V), the battery recharges efficiently, and its 20-day lifespan significantly reduces maintenance frequency compared to devices requiring nightly charging.

Why Choose This Product

Choosing the Xiaomi Mi Band 2 is a decision based on its specific, supported features: the addition of a clear OLED touch screen for direct data access, continuous optical heart rate monitoring for fitness insights, and a verified 20-day battery life for convenience. Its compatibility with a wide range of Android phones (version 4.4+) and the availability of multiple strap colours, including Black, Blue, and Pink, allow for personalisation. It provides a focused set of tools for tracking activity, monitoring heart rate, and staying connected, all housed in a lightweight, waterproof design.