| key specs |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Black, Blue, Gold, Red, Silver |
| Display Size | 36mm | - |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Square |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Fire-Boltt |
| Model | Grenade | Ninja Call 2 |
| Release date | June 28, 2023 | March 1, 2022 |
| Model Name | Fire-Boltt Grenade Smartwatch | Fire-Boltt Ninja Call 2 |
| Dial Colour | Black | Black |
| Dial Shape | Round | Square |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Black, Blue, Gold, Red, Silver |
| Strap Material | Silicone | Silicone |
| Water Resistant | Yes | Yes |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Usage | - | Fitness & Outdoor |
| Ideal For | - | Unisex |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Notification Type | Smart Notification | - |
| Talk time | 2 days | - |
| Battery Life | 7 days | 10 Days |
| Rechargeable Battery | Yes | Yes |
| Other Features | 350mAh battery | - |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | - | 5 |
| Call Features | - | calling |
| Other Connectivity Features | - | Smart notifications |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 360x360 pixels | 240x288 |
| Display Size | 36mm | - |
| Other Display Features | - | Touch Screen |
| 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 | - |
| 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 | Meditative breathing, sleep tracking, drink water reminders |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Music Player, In-built games | Stopwatch, sedentary reminders |
| Language | - | English |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Google Assistant, Siri | - |
| Other Multimedia Features | Music control | Music control |