| key specs |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Red, Green, Blue |
| Strap Material | Silicone | Silicone |
| Dial Shape | Square | Rectangle |
| Ideal For | Unisex | Unisex |
| Compatible OS | - | Android 5.0 and above |
| general |
| Brand | Fire-Boltt | Realme |
| Model | Ninja Call 2 | Watch |
| Release date | March 1, 2022 | May 25, 2020 |
| Model Name | Fire-Boltt Ninja Call 2 | Realme Watch |
| Dial Colour | Black | Black |
| Dial Shape | Square | Rectangle |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Red, Green, Blue |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | 1.5 metres |
| product details |
| Sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor | PPG |
| Compatible Device | Android, iOS | Android |
| Notification | Call, Text, Social Media | Yes |
| Battery Life | 10 Days | 7 days |
| Rechargeable Battery | Yes | - |
| Charge Time | - | 2.5 hours |
| Charger Type | - | USB magnetic charge |
| Stand By Time | - | 20 days |
| connectivity features |
| Call Function | Yes | No |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 5.0 |
| Call Features | calling | Call reject and mute support |
| Other Connectivity Features | Smart notifications | - |
| camera and display features |
| Display Resolution | 240x288 | 320x320 |
| Other Display Features | Touch Screen | - |
| Backlight Display | - | Yes |
| Scratch Resistant | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 1 | - |
| Other Fitness Features | Meditative breathing, sleep tracking, drink water reminders | Outdoor Run, Walk, Indoor Run, Outdoor Cycle, Aerobic Capacity, Strength Training, Football, Basketball, Table Tennis, Badminton, Indoor Cycle, Elliptical , Yoga, Cricket Modes |
| Other Watch Functions | Stopwatch, sedentary reminders | Automated heart rate measurement, 24-hour real-time heart rate, resting heart rate, exercise heart rate,heart rate alert, blood oxygen level monitor,sleep detection, steps throughout the day, calories, distance, water reminder, sedentary reminder, activity recorder |
| Calorie Count | - | Yes |
| Chronograph | - | Yes |
| audio and video features |
| Other Multimedia Features | Music control | - |
| dimensions |
| Width | - | 256 |
| Height | - | 36.5 |
| Thickness | - | 11.8 |
| Weight (g) | - | 31.00 |
| platform and storage features |
| Compatible Operating System | - | Android 5.0 and above |