| key specs |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | - |
| Display Size | 36mm | 33mm |
| Compatible OS | Android, iOS | Android, iOS |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Round |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Realme |
| Model | Grenade | Watch S |
| Release date | June 28, 2023 | November 2, 2020 |
| Model Name | Fire-Boltt Grenade Smartwatch | Watch S |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | - |
| Strap Material | Silicone | Silicone |
| Water Resistant | Yes | Yes |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Ideal For | - | Unisex |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | PPG, SpO2 |
| Compatible Device | Android, iOS | - |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | - |
| Talk time | 2 days | - |
| Battery Life | 7 days | 15 days |
| Rechargeable Battery | Yes | Yes |
| Other Features | 350mAh battery | - |
| Battery Type | - | 390mAh |
| Charge Time | - | 2 hours |
| Charger Type | - | Magnetic |
| connectivity features |
| Call Function | Yes | No |
| Bluetooth | Bluetooth | Yes |
| Third Party App Support | - | Yes |
| Call Features | - | Call reject |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| camera and display features |
| Display Resolution | 360x360 pixels | 360x360 |
| Display Size | 36mm | 33mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 Pusher buttons | - |
| Other Fitness Features | Activity Tracker, Breathe, Voice Assistance, 123 Sports Mode Tracking, Calorie Tracker, Daily Workout Memory, Sedentary Reminder, Sleep Monitor | - |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, In-built games | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Google Assistant, Siri | - |
| Other Multimedia Features | Music control | - |