COLMI C28 Smartwatch – Black + Brown Leather Strap

COLMI C28 is an ultra-thin smartwatch, only 7 mm thick and weighing 39 g, combining a stylish design with extensive functionality. Thanks to the built-in DaGPT assistant, you can quickly get answers to your questions, check information and much more! The watch has a large 1.93-inch AMOLED HD display with a resolution of 368 × 448, which ensures a clear picture and comfortable use in all conditions. It also supports Bluetooth calls directly from the wrist, offers more than 100 sports modes and helps you monitor your health. In addition, the 230 mAh battery allows for up to 5-7 days of use on a single charge.

Artificial Intelligence on your wrist – quick answers and daily support

COLMI C28 is equipped with the AI assistant Da GPT, which is based on ChatGPT and offers AI support directly from the watch. This allows you to quickly get answers to questions, check information or use content creation features without having to touch your phone! It is a useful solution that enhances the functionality of your smartwatch and gives you access to smart tools whenever you need them.

Slim and lightweight design

At just 7mm thick, the C28 is almost invisible on the wrist, and its 39g weight further enhances all-day comfort. The slim body fits comfortably on the wrist, making the smartwatch great for work, exercise or relaxation. It is the ideal solution for those who don't like heavy and bulky watches.

Vibrant 1.933-inch AMOLED display – comfort in every situation

The large 1.933-inch AMOLED display offers a high resolution of 368 × 448 and a wide color gamut, resulting in a clear and detailed image. The display ensures good visibility in both bright daylight and low light, so all information is always easily accessible. The high screen-to-body ratio (90%) further enhances user comfort.

Attractive style and workmanship

The zinc alloy case stands out with an elegant, glossy finish that gives the watch a modern character. The combination of a metallic texture with a smooth surface gives the smartwatch an elegant look in both everyday and more formal situations. The overall look is complemented by a comfortable strap that is pleasant to the touch and fits snugly on the wrist.

Calls via Bluetooth

With the Bluetooth calling function, you can receive and make calls directly from your watch. The built-in speaker and excellent sound quality allow for convenient communication without having to touch your phone. This is especially useful while working, walking or exercising!

Advanced health features

The smartwatch offers 24/7 heart rate monitoring and accurately measures blood oxygen saturation and stress levels. In addition, there is AI-powered sleep analysis that captures different sleep stages and daytime naps, allowing you to better understand the quality of your rest and make thoughtful changes to your daily habits. All this allows you to detect any worrying changes earlier and respond accordingly. In addition, the movement reminder function helps ensure that you stay active throughout the day.

Over 100 sports modes and accurate activity tracking

COLMI C28 offers more than 100 sports modes – you are sure to find something for yourself. Walking, running or maybe cycling or badminton? Practice your favorite sport or try something new! The watch records data from each workout, helping you analyze your progress and better plan your next workouts. It is a practical support for those who want to maintain consistency and control over their activity.

Smart features and notifications on your wrist

The watch lets you receive notifications from popular apps like WhatsApp, Facebook, and TikTok, so you can quickly check your messages without having to take your phone out of your hands. There's also a watch face customization feature that lets you customize the look of the interface to your liking - you can use pre-designed templates or set your own photo.

Everyday durability and long battery life

With 1 ATM water resistance and dust protection (IP6X), the smartwatch stands up to everyday use – even during workouts or in the rain. Plus, the 230 mAh battery provides up to 5-7 days of battery life, and magnetic charging allows you to fully charge the watch in about 2.5 hours.

Included

• Smart watch
• Magnetic charging cable
• User manual

Warranty: 12 months

The text is machine translated.

Same summary

The COLMI C28 smartwatch with a square shape and an elegant brown leather strap is suitable for users looking for daily activity monitoring and basic smart functions without standing out with a colorful or childish design. Due to its universal approach, ease of use and relatively long battery life (5 to 7 days), it is suitable for adolescents, young adults and users who value a combination of usability and a neutral, classic look. It is less suitable for those who expect advanced health monitoring, GPS tracking or functions intended for younger children. It stands out for its lightweight design and simple approach, so the compromise is mainly in the scope of more advanced sports or communication capabilities.

Recommendation source: Enaa guides and team experiences.

User view

The COLMI C28 model is most often chosen by users who want to wear a smartwatch as an extension of their phone: to receive notifications, monitor basic physical activity, and have a discreet, modern look in various situations - whether at school, at college, or in an urban environment. If you are interested in how to choose a watch that suits this lifestyle, our guide to choosing a smartwatch may be helpful.

Among users, COLMI stands out as an affordable and fresh choice; many also appreciate the reliability and interesting design of this manufacturer, as well as the ability to choose a combination that suits their personal style from the wide range of COLMI products .

Why buy at Enaa

On Enaa, you can quickly compare different smartwatch models in one place, making it easier to find the one that best suits your needs. When purchasing the COLMI C28, you can rely on trusted advice and up-to-date information and clear details for each device.

Answers to frequently asked questions

For which users is the COLMI C28 best suited?

This model is designed primarily for teens, young adults, and users who want a simple smartwatch experience with basic activity tracking and a neutral, classic look – without advanced sports or kids features.

How long does the battery last under normal use?

Without frequent charging, you can expect battery life of between 5 and 7 days, which is enough for most everyday scenarios with normal use of features.

Does the COLMI C28 smartwatch support GPS tracking?

The C28 model does not contain integrated GPS, so it is mainly suitable for basic activities and is not intended for users who want accurate route recording without a connection to a phone.

Is the COLMI C28 suitable for smaller children?

The watch is more suitable for teenagers and adults, as it is not specifically adapted for children's use or supervision. If you are looking for information on choosing a children's smartwatch, read our guide to choosing a smartwatch for a child .

What type of strap is included and is it interchangeable?

The watch comes with a brown leather strap, which is suitable for everyday elegant use. Replacing the strap is usually possible if you choose a compatible replacement strap.

Description updated: May 2026