| key specs |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Black, Red, Purple |
| Display Size | 36mm | - |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Rectangle |
| Display Type | - | AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | GOQii |
| Model | Grenade | Vital 4 |
| Release date | June 28, 2023 | May 10, 2021 |
| Model Name | Fire-Boltt Grenade Smartwatch | Vital 4 |
| Dial Colour | Black | Black |
| Dial Shape | Round | Rectangle |
| Strap Colour | Gold black, Gunpowder black, Orange gold, Camo-green, Camo-black, Black, Silver, and Gold | Black, Red, Purple |
| Strap Material | Silicone | Silicone |
| Water Resistant | Yes | Yes |
| Ideal For | - | Unisex |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | - |
| Compatible Device | Android, iOS | Android, iPhone |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | Calls, Email, Text |
| Talk time | 2 days | - |
| Battery Life | 7 days | 7 |
| Rechargeable Battery | Yes | - |
| Other Features | 350mAh battery | - |
| connectivity features |
| Call Function | Yes | No |
| Bluetooth | Bluetooth | /yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 360x360 pixels | 120x120 |
| Display Size | 36mm | - |
| Display Type | - | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | 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 | Blood Pressure Monitor, SpO2 Monitor, Body Temparature |
| 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 | - |