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|
Category |
Specification |
|
Brand |
COLMI |
|
Model |
i28 Ultra Smartwatch |
|
Colors Available |
Black, Gold, Silver |
|
Connectivity |
Bluetooth 5.3 |
Main Chip | JL7013A6S
RAM + Storage | 640 KB RAM, 256 MB ROM
Heart‑Rate Sensor | VC30F
Waterproof Rating | IP68 (dust and water resistant)
Screen Size | 1.43″ AMOLED
Resolution | 466 × 466 pixels
Touch Type | Full-screen touch
Battery Type | Lithium Polymer
Capacity | 260 mAh
Protection IC | Seiko Y1
Charging Method | 2-pin magnetic cable
Charging Time | About 2 hours
Usage Time | 5–7 days
Standby Time | Up to 30 days
App Name | COLMI Fit
Compatible OS | Android 4.4+, iOS 8.0+, HarmonyOS
Watch Languages | English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Ukrainian, Italian, Portuguese, Dutch, Polish, Hungarian, Czech, Romanian, Indonesian, Thai, Turkish, Vietnamese, Hindi
Heart rate monitoring
Blood pressure tracking
SpO₂ (blood oxygen) monitoring
Sleep tracking
Female cycle tracking
Bluetooth calling (with speaker and mic)
Contact sync & call log
App notifications (calls, messages, social media)
Voice assistant
Breathing training
Sedentary reminder
Alarm, stopwatch, timer, calculator, calendar
100+ sports/activity modes
Step tracking
Calorie and distance tracking
Exercise history viewable on watch or app
Body Material | Zinc alloy with ABS/PC
Strap Type | Silicone / Magnetic
Strap Width | 20 mm (removable)
Dimensions | Approx. 43.5 × 43.5 × 11 mm
Weight | Approx. 30–51 g (depending on strap)
Get specific details about this product from customers who own it.
