Oppo Band Style vs Mi Smart Band 4C comparison
        
        
            
                
                    
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                    | key specs | 
| Display Type | AMOLED | LCD | 
| Water Resistant | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Compatible Devices | Android Phones | Android, iOS Phones | 
| Battery Life (Days) | 12 | 14 | 
| general | 
| Brand | Oppo | Mi | 
| Model | Band Style | Smart Band 4C | 
| Release date | March 8, 2021 | July 6, 2020 | 
| Model Name | Band Style | Band 4C | 
| Color | Black, Vanilla | Black | 
| Ideal For | Unisex | Unisex | 
| Suitable For | Fitness, Health | Health, Lifestyle | 
| Water Resistant | Yes | Yes | 
| Function | Continuous SpO2 monitoring, Sleep monitoring, Real-time heart rate monitoring, Daily activity, Get-up reminders, Breathing exercise | - | 
| Dial Shape | Rectangle | Rectangle | 
| Material | - | Thermoplastic | 
| Touch Enabled | - | Yes | 
| display and battery features | 
| Display Resolution | 126 x 294 Pixels | 120 x 220 RGB | 
| Display Type | AMOLED | LCD | 
| Backlight Present | Yes | - | 
| Battery Life (Days) | 12 | 14 | 
| Charge Time (hours) | 1.5 | 2 | 
| Battery Capacity (mAh) | 100 | 130 | 
| Battery Type | - | Lithium Ion (Li-ion) | 
| connectivity features | 
| Bluetooth Enabled | Yes | Yes | 
| Bluetooth Version | v5.0 | v5.0 | 
| Wi-Fi Enabled | - | No | 
| compatibility | 
| Compatible Devices | Android Phones | Android, iOS Phones | 
| Compatible Android Version | - | Android 4.4 and above | 
| Compatible iOS Version | - | iOS 10 and above | 
| activity tracking function | 
| Alarms | Yes | - | 
| Calories Burned | Yes | Yes | 
| Distance Covered | Yes | Yes | 
| Heart Rate Monitor | Yes | Yes | 
| Phone Notifications | Yes | Yes | 
| Reminders | Yes | - | 
| Sedentary Reminder | Yes | Yes | 
| Sleep Tracking | Yes | Yes | 
| SPO2 Monitor | Yes | - | 
| Step Counter | Yes | Yes | 
| workout modes | 
| Exercise | Yes | Yes | 
| Outdoor Running | Yes | Yes | 
| Cycling | Yes | Yes | 
| Walking | Yes | Yes | 
| Swimming | Yes | - | 
| Other Workout Modes | Indoor Run, Fat Burn Run, Indoor Cycling, Elliptical, Rowing, Cricket, Badminton, Swimming, Yoga | - | 
| Treadmill | - | Yes | 
| sensors | 
| Accelerometer | Yes | Yes | 
| Optical Heart Rate Sensor | Yes | Yes | 
| dimensions | 
| Weight (grams) | 10.3 | - | 
| Width (mm) | 17.6 | - | 
| Height (mm) | 40.4 | - | 
| Depth (mm) | 11.95 | - | 
| performance features | 
| Water-Resistant Depth (metres) | - | 50 | 
                
            
            
         
        
     
    
        
               
            
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