COLMI i28 Ultra AMOLED Calling Smartwatch Specification
Display |
|
| Size and Type | 1.43 Inch Round AMOLED Full Touch |
| Resolution | 466 × 466 pixels (Ultra Sharp) |
| Always-On Display | Supported |
Battery and Usage |
|
| Battery Capacity | 260mAh Lithium Polymer |
| Typical Usage | 5 to 7 days |
| Standby Time | Up to 20 to 25 days |
| Charging Method | 2-Pin Magnetic Cable |
| Charging Time | About 2 hours |
Connectivity and Calling |
|
| Bluetooth Version | Bluetooth 5.3 |
| Bluetooth Calling | Yes with Speaker and Microphone |
| App Name | COLMI Fit |
| Compatibility | Android 4.4+ and iOS 8.0+ |
Health and Sensors |
|
| Heart Rate | 24/7 VC30F Accurate Monitoring |
| Blood Oxygen (SpO₂) | Supported |
| Sleep Tracking | Deep and Light Sleep Analysis |
| Sports Modes | 100+ Modes |
Design and Build |
|
| Body Material | Premium Zinc Alloy + ABS + PC |
| Dimensions | 43.5 × 43.4 × 11 mm |
| Strap | 20mm Quick-Release Silicone |
| Water Resistance | IP68 (Dustproof and deeper water resistance, usually 1.5 meter for 30 mins) |
| Available Colors | Black, Gold and Grey |
Warranty |
|
| Warranty | 6 Months Official Brand Warranty |
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