| key specs |
| Dial Shape | Rectangle | Round |
| Display Type | AMOLED | OLED |
| Ideal For | Unisex | - |
| Strap Colour | - | Pink, Beige, Black, and Silver |
| Display Size | - | 36mm |
| Compatible OS | - | Android, iOS |
| Strap Material | - | Stainless Steel |
| general |
| Brand | Redmi | Fire-Boltt |
| Model | Watch 4 | Destiny |
| Release date | November 29, 2023 | July 7, 2023 |
| Model Name | Redmi Watch 4 | Destiny |
| Dial Colour | Black, White | Black |
| Dial Shape | Rectangle | Round |
| Size | Regular | - |
| Touchscreen | Yes | Yes |
| Water Resistant | 5 ATM | IP67 |
| Ideal For | Unisex | - |
| Strap Colour | - | Pink, Beige, Black, and Silver |
| Strap Material | - | Stainless Steel |
| Dial Material | - | Metal |
| dimensions |
| Width | 47.58 | - |
| Height | 41.12 | - |
| Thickness | 10.5 | - |
| Weight (g) | 31.50 | - |
| product details |
| Sensor | acceleration, gyro, geomagnetic, ambient light and optical heart rate and blood oxygen sensors | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker |
| Battery Type | 470mAh | - |
| Battery Life | 20 days | - |
| Rechargeable Battery | Yes | Yes |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Notification Type | - | Smart Notification |
| connectivity features |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.3 | - |
| Wi-Fi | Yes | - |
| Call Function | - | Yes |
| Messaging Support | - | Yes |
| Email Support | - | Yes |
| platform and storage features |
| Operating System | HyperOS | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | 390 x 450 | 360x360 pixels |
| Display Type | AMOLED | OLED |
| Display Size | - | 36mm |
| Other Display Features | - | HD Display |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese, Traditional Chinese, English | - |
| Number of Buttons | One | 1 |
| Other Fitness Features | Stress tracker, SpO2, Menstrual cycle monitoring | Activity Tracker, Breathe, 123 Sports Mode Tracking, Calorie Tracker, |
| Altimeter | - | Yes |
| Other Watch Functions | - | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, IP67 Rating, 4GB Storage, Calculator, Music Player, Notifications, Pedometer, Phone Call, |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Other Multimedia Features | - | Music control, Remote camera control |