COLMI i28 Ultra Smartwatch – Full Specifications

Product Description

The COLMI i28 Ultra Smartwatch is a versatile and stylish smartwatch designed for health, fitness, and daily smart use. It features a high-definition AMOLED display, Bluetooth calling, advanced health tracking, multiple activity modes, and a durable, water-resistant design, making it suitable for both active lifestyles and everyday use.

Specifications

Display

• Screen Size: 1.43-inch AMOLED

• Resolution: 466 × 466 pixels

• Touch: Full capacitive touchscreen

Connectivity & Hardware

• Bluetooth Version: 5.3

• Main Chip: JL7013A6S

• Heart Rate & SpO₂ Sensor: VC30F

Battery & Charging

• Battery Capacity: 260 mAh

• Typical Usage Time: 5–7 days

• Charging Method: Magnetic 2-pin cable

Water Resistance & Build

• Waterproof Rating: IP68

• Body Material: Zinc Alloy + ABS + PC

• Strap: Silicone (removable, 20 mm width)

Health & Fitness Monitoring

• Heart Rate Monitoring (24/7)

• Blood Oxygen (SpO₂) Monitoring

• Sleep Tracking & Sleep Analysis

• Step Counter, Calorie & Distance Tracking

• Sedentary Reminder

• Women’s Health / Menstrual Reminder

• Multiple Sport & Activity Modes (100+)

Smart & Daily Features

• Bluetooth Calling: Make and receive calls via watch

• Notifications: Calls, SMS, social apps

• Customizable Watch Faces & Multiple UI Themes

• Alarm, Timer, Stopwatch, Weather Updates

• Music & Camera Remote Control, Find Phone, Calendar, Calculator

• Select variants: Prayer Time Reminder, Stock Trend Display, Voice Assistant

Compatibility & App

• Android Support: 4.4+ / 5.0+

• iOS Support: 8.0+ / 9.0+

• Companion App: COLMI Fit (for syncing health data, watch settings, and notifications)

Inside the Box

• COLMI i28 Ultra Smartwatch

• Magnetic Charging Cable

• User Manual / Warranty Card

Short Description

COLMI i28 Ultra Smartwatch features a 1.43-inch AMOLED display, Bluetooth calling, and advanced health tracking. With IP68 water resistance, 260 mAh battery lasting 5–7 days, and a durable design, it offers premium smartwatch features at an affordable price in Bangladesh.

Long Description

The COLMI i28 Ultra is a stylish and functional smartwatch suitable for fitness, health, and daily smart use. It comes with a high-definition 1.43-inch AMOLED display and capacitive touchscreen for an excellent visual experience.

Bluetooth 5.3 ensures stable connectivity with Android and iOS smartphones, enabling Bluetooth calling directly from the watch. Health features include 24/7 heart rate monitoring, SpO₂ tracking, sleep analysis, step counting, calorie and distance tracking, and sedentary reminders. Women’s health tracking, including menstrual reminders, is available in supported variants.

The watch supports 100+ sports and activity modes, including walking, running, cycling, yoga, and more. Smart features include notifications for calls, messages, and apps, alarm, weather updates, music and camera control, find phone function, customizable watch faces, and multiple menu themes. Some variants also include prayer time reminders, stock trend display, and AI voice assistant support.

With a 260 mAh battery, it lasts 5–7 days per charge. IP68 water resistance and a zinc alloy body ensure durability for workouts, commuting, and casual use. The COLMI Fit app allows syncing health data, customizing watch faces, and configuring notifications. This smartwatch delivers excellent features at a competitive price in Bangladesh.