Colmi i28 Ultra smartwatch (black)

AMOLED display

The Colmi i28 Ultra features a 1.43-inch AMOLED touchscreen with a resolution of 466 × 466 pixels, delivering crisp images and vivid colors. Customize the watch face by choosing from the available designs.

Calls and notifications

The smartwatch displays incoming messages and notifications. Its built-in speaker and microphone support Bluetooth calls.

Health and activity tracking

Track heart rate, blood pressure and blood oxygen saturation, and monitor sleep. The watch also includes a menstrual calendar. For activity tracking, it counts steps, calories burned and distance traveled, helping you monitor your progress in real time. Choose from sports modes including running, cycling, yoga, Zumba, archery and weightlifting.

Everyday functions

Additional features include a calculator, timer, stopwatch and weather display. The watch can also remotely control the camera and music player on a connected smartphone.

Design and battery

The watch has a minimalist design, a lightweight ergonomic build and a skin-friendly silicone strap. Its IP68 water-resistance rating means it can be worn in the rain and while washing your hands. The 260 mAh Li-po battery provides approximately 5–7 days of use under normal conditions or up to 30 days on standby. Magnetic charging takes approximately 2 hours.

Specifications

• Manufacturer: Colmi
• Model: i28 Ultra
• Color: Black
• Chipset: JL7013A6S
• Memory: RAM 640 KB, ROM 256 Mb
• Bluetooth: Version 5.3; range approximately 10 m
• Display: 1.43-inch AMOLED touchscreen
• Resolution: 466 × 466 pixels
• Battery: Li-po, 260 mAh
• Charging: Magnetic; approximately 2 hours
• Battery life: Approximately 5–7 days with normal use; approximately 30 days on standby
• Speaker: Yes
• Microphone: Yes
• Dimensions: 43.5 × 43.5 × 11 mm
• Weight: 51 g
• Strap width: 20 mm
• Case materials: Zinc alloy, ABS and PC
• Strap material: Silicone
• Compatibility: Android 4.4 and later, iOS 8.0 and later, HarmonyOS
• App: COLMI FIT
• Watch languages: English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Ukrainian, Italian, Portuguese, Dutch, Polish, Hungarian, Czech, Romanian, Indonesian, Thai, Turkish, Vietnamese and Hindi
• App languages: English, Simplified Chinese, Traditional Chinese, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish and Ukrainian

Included

• Smartwatch
• Magnetic charging cable
• User manual