| key specs |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Charcoal Black, SIlver Grey |
| Display Size | 36mm | - |
| Compatible OS | Android, iOS | iOS 9 & + or Android 7 & + |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Round |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Noise |
| Model | Grenade | Fit Core |
| Release date | June 28, 2023 | September 6, 2021 |
| Model Name | Fire-Boltt Grenade Smartwatch | NoiseFit Core |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Charcoal Black, SIlver Grey |
| Strap Material | Silicone | Silicone |
| Water Resistant | Yes | IP68 |
| Touchscreen | - | Yes |
| Interchangeable Strap | - | Yes |
| Dial Material | - | Zinc Alloy |
| Ideal For | - | Unisex |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | Heart rate sensor, Gravity sensor |
| Compatible Device | Android, iOS | Android 7 or iOS 9.0 and above |
| Notification | Yes | Email, Text |
| Notification Type | Smart Notification | - |
| Talk time | 2 days | - |
| Battery Life | 7 days | 7 days |
| Rechargeable Battery | Yes | - |
| Other Features | 350mAh battery | - |
| Closure | - | Buckle |
| Battery Type | - | 285mAh |
| Charge Time | - | 2.5 Hours |
| Stand By Time | - | 30 Days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | - | 5 |
| Messaging Support | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | iOS 9 & + or Android 7 & + |
| camera and display features |
| Display Resolution | 360x360 pixels | 240x240 |
| Display Size | 36mm | - |
| Other Display Features | - | 2.5D curved screen, customisable watch faces, |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | - |
| Number of Buttons | 2 Pusher buttons | 1 |
| Other Fitness Features | Activity Tracker, Breathe, Voice Assistance, 123 Sports Mode Tracking, Calorie Tracker, Daily Workout Memory, Sedentary Reminder, Sleep Monitor | 13 Sports Modes, sleep monitor, |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, In-built games | - |
| Language | - | English |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Google Assistant, Siri | - |
| Other Multimedia Features | Music control | - |
| Gesture Control | - | Wake gesture |
| dimensions |
| Height | - | 45 |
| Thickness | - | 10.5 |
| Diameter | - | 263 |
| Weight (g) | - | 54.00 |