| key specs |
| Dial Shape | Rectangle | Square |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow |
| Display Size | - | 40mm |
| Strap Material | - | Silicone |
| general |
| Brand | Vivo | Fire-Boltt |
| Model | Watch GT | Ninja Pro Max |
| Release date | May 30, 2024 | February 10, 2022 |
| Dial Shape | Rectangle | Square |
| Size | Regular | Regular |
| Touchscreen | 1.85 | Yes |
| Interchangeable Strap | Yes | - |
| Usage | Regular | Fitness & Outdoor |
| Ideal For | Unisex | Unisex |
| Model Name | - | Fire-Boltt Ninja Pro Max |
| Dial Colour | - | Black |
| Strap Colour | - | Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow |
| Strap Material | - | Silicone |
| Water Resistant | - | Yes |
| dimensions |
| Width | 39.6 | 34.5 |
| Height | 45.8 | 41.5 |
| Thickness | 11.2 | 9.5 |
| Weight (g) | 33.00 | 45.00 |
| Diameter | - | 40 |
| product details |
| Sensor | heart rate, SpO2, steps, sleep tracker, accelerometer, gyroscope, geomagnetic, ambient light | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Battery Type | 505mAh | 200 |
| Battery Life | 21 days | 8 Days |
| Charger Type | Magnetic Pogo pin | - |
| Closure | - | Strap Buckle |
| Compatible Device | - | Android, iOS |
| Notification | - | Call, Text, Social Media |
| Stand By Time | - | 30 days |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 5 |
| GPS | Yes | - |
| Other Connectivity Features | eSIM | Smart notifications |
| Call Function | - | Yes |
| Call Features | - | Reject calls |
| platform and storage features |
| Operating System | BlueOS | - |
| camera and display features |
| Display Resolution | 390 x 450 | 240x288 |
| Display Size | - | 40mm |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | - | English |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Meditative breathing, sleep tracking, drink water reminders |
| Other Watch Functions | - | Stopwatch, sedentary reminders |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |