| key specs |
| Strap Colour | Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow | - |
| Display Size | 40mm | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Square | Rectangle |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Fire-Boltt | Fire-Boltt |
| Model | Ninja Pro Max | Ring |
| Release date | February 10, 2022 | July 9, 2021 |
| Model Name | Fire-Boltt Ninja Pro Max | Ring |
| Dial Colour | Black | Beige, Black, Blue, Gray, Red |
| Dial Shape | Square | Rectangle |
| Strap Colour | Black, Blue, Champagne Gold, Olive, Pink Gold, Red Navy, Rose Gold Yellow | - |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Interchangeable Strap | - | Yes |
| Dial Material | - | Metal |
| dimensions |
| Width | 34.5 | 44 |
| Height | 41.5 | 38 |
| Thickness | 9.5 | 13.7 |
| Diameter | 40 | - |
| Weight (g) | 45.00 | 57.00 |
| product details |
| Closure | Strap Buckle | - |
| Sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor | - |
| Compatible Device | Android, iOS | - |
| Notification | Call, Text, Social Media | Yes |
| Battery Type | 200 | Lithium Ion |
| Battery Life | 8 Days | 8 days |
| Stand By Time | 30 days | - |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | - |
| Call Features | Reject calls | Yes |
| Other Connectivity Features | Smart notifications | - |
| Wi-Fi | - | No |
| GPS | - | No |
| Messaging Support | - | Yes |
| Email Support | - | No |
| Operating Range | - | 10m |
| camera and display features |
| Display Resolution | 240x288 | - |
| Display Size | 40mm | - |
| Other Display Features | Touch Screen | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 1 | 1 |
| Other Fitness Features | Meditative breathing, sleep tracking, drink water reminders | SPO2, Heart Rate Tracking, Sports Data Analysis, Sleep Tracking, Step Count, Calorie Count, Distance Measurement, Multi-Sports Mode |
| Other Watch Functions | Stopwatch, sedentary reminders | - |
| Calorie Count | - | Yes |
| Altimeter | - | No |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Chronograph | - | No |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Voice Control | - | Yes |