| key specs |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Charcoal Black, Champagne Grey, Olive Green |
| Display Size | 36mm | 44mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Rectangle |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Noise |
| Model | Grenade | ColorFit Ultra Buzz |
| Release date | June 28, 2023 | April 26, 2022 |
| Model Name | Fire-Boltt Grenade Smartwatch | Noise ColorFit Ultra Buzz |
| Dial Colour | Black | Black |
| Dial Shape | Round | Rectangle |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Charcoal Black, Champagne Grey, Olive Green |
| Strap Material | Silicone | Silicone |
| Water Resistant | Yes | Yes |
| Size | - | Large |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | IP68 |
| Usage | - | Fitness & Outdoor |
| Dial Material | - | Plastic |
| Ideal For | - | Unisex |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | - |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Notification Type | Smart Notification | Vibration |
| Talk time | 2 days | - |
| Battery Life | 7 days | 5 Days |
| Rechargeable Battery | Yes | Yes |
| Other Features | 350mAh battery | - |
| Closure | - | Strap Buckle |
| Battery Type | - | 300 |
| Charge Time | - | 2.5 |
| Stand By Time | - | 45 Days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | - | 5.1 |
| Messaging Support | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 360x360 pixels | 320x385 |
| Display Size | 36mm | 44mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | 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 | Sleep Monitoring, Blood Oxygen Monitor, 24x7 Heart Rate 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 | - |
| dimensions |
| Width | - | 46.6 |
| Height | - | 38.6 |
| Thickness | - | 11.9 |
| Weight (g) | - | 42.50 |