| key specs |
| Dial Shape | Rectangle | Round |
| Display Type | AMOLED | - |
| Ideal For | Unisex | - |
| Strap Colour | - | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold |
| Display Size | - | 36mm |
| Compatible OS | - | Android, iOS |
| Strap Material | - | Silicone |
| general |
| Brand | boAt | Fire-Boltt |
| Model | Ultima Ember | Grenade |
| Release date | February 22, 2025 | June 28, 2023 |
| Dial Shape | Rectangle | Round |
| Touchscreen | 1.96 | - |
| Water Resistant | IP68 | Yes |
| Usage | Regular | - |
| Ideal For | Unisex | - |
| Model Name | - | Fire-Boltt Grenade Smartwatch |
| Dial Colour | - | Black |
| Strap Colour | - | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold |
| Strap Material | - | Silicone |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker |
| Battery Type | 300mAh | - |
| Battery Life | 15 days | 7 days |
| Compatible Device | - | Android, iOS |
| Notification | - | Yes |
| Notification Type | - | Smart Notification |
| Talk time | - | 2 days |
| Rechargeable Battery | - | Yes |
| Other Features | - | 350mAh battery |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| camera and display features |
| Display Resolution | 368 x 448 | 360x360 pixels |
| Display Type | AMOLED | - |
| Other Display Features | Always-On Display | - |
| Display Size | - | 36mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Calorie Count | - | Yes |
| Compass | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | 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 | Yes |
| Microphone | Yes | Yes |
| Voice Control | - | Google Assistant, Siri |
| Other Multimedia Features | - | Music control |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |