Colmi1.43" AMOLED i28 Ultra Sports Outdoor Smartwatch with Magnetic Silicone Strap

About

Take on every workout, adventure, and busy day with the COLMI i28 Ultra Sports Outdoor Smartwatch. Featuring a vibrant 1.43-inch AMOLED Always-On Display, Bluetooth calling, advanced health monitoring, AI voice assistant, and over 100 workout modes, it's built to help you stay connected and perform at your best.

Designed with a premium magnetic silicone strap, the i28 Ultra offers a secure, comfortable fit that's quick to adjust whether you're training, travelling, or tackling everyday tasks. With IP68 water resistance, up to a week of battery life, and comprehensive smart features, it's the ideal companion for an active lifestyle.

Product Features

• Brilliant 1.43-inch AMOLED Always-On Display
• Ultra-sharp 466 × 466 HD resolution
• Bluetooth calling directly from your wrist
• AI voice assistant support
• Built-in prayer time reminders
• Comprehensive health monitoring including heart rate, SpO₂, sleep and blood pressure tracking
• Women's health and menstrual cycle tracking
• Stress monitoring and breathing exercises
• Activity tracking with 100+ sports modes
• Step, calorie and distance tracking
• Real-time workout recording
• IP68 water and dust resistance
• Bluetooth 5.3 for fast and stable connectivity
• Smart notifications for calls, messages and apps
• Music and camera remote control
• Multiple customisable watch faces
• Always-On Display (AOD) support
• Find Phone function
• Alarm, stopwatch, timer and weather updates
• Lightweight and comfortable silicone strap
• Compatible with Android and iOS smartphones
• COLMI Fit companion app for detailed health insights and device management

Product Specifications 

• Brand: COLMI
• Model: i28 Ultra Sports Outdoor
• Display Size: 1.43-inch
• Display Type: AMOLED
• Resolution: 466 × 466 pixels
• Touchscreen: Full-touch display
• Main Chip: JL7013A6S
• Heart Rate Sensor: VC30F
• Bluetooth Version: Bluetooth 5.3
• Battery Type: Lithium Polymer
• Battery Capacity: 260mAh
• Charging Method: 2-pin magnetic charging cable
• Charging Time: Approximately 2 hours
• Battery Life: Up to 5–7 days (typical use)
• Water Resistance: IP68
• Companion App: COLMI Fit
• Compatibility:
  • Android 4.4 and later
  • iOS 8.0 and later
  • HarmonyOS
• Case Material: Zinc Alloy + ABS + PC
• Strap Material: Magnetic Silicone
• Strap Width: 20mm
• Strap Type: Removable
• Health Monitoring:
  • Heart Rate
  • Blood Oxygen (SpO₂)
  • Blood Pressure
  • Sleep Tracking
  • Stress Monitoring
  • Breathing Training
  • Women's Health Tracking
• Smart Functions:
  • Bluetooth Calling
  • Contacts & Call History
  • AI Voice Assistant
  • Smart Notifications
  • Music Control
  • Weather
  • Calculator
  • Calendar
  • Stopwatch
  • Timer
  • Alarm Clock
  • QR Code Display
  • Business Card
  • Find Phone
  • Custom Watch Faces
  • Photo Watch Faces
  • Gesture Control
  • Power Saving Mode
  • Password Protection
• Sports Modes: 100+ Exercise Modes
• Supported Notification Apps: WhatsApp, Facebook, Instagram, X (Twitter), WeChat, QQ, Skype, LINE, KakaoTalk, SMS and more
• Warranty: 6 months

What's in the Box?

• 1x COLMI i28 Ultra Sports Outdoor Smartwatch
• 1x Magnetic Silicone Strap
• 1x 2-Pin Magnetic Charging Cable
• 1x User Manual