| key specs |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Peach |
| Strap Material | Silicone | Silicone |
| Dial Shape | Square | Round |
| Ideal For | Unisex | Unisex |
| Display Size | - | 32mm |
| Compatible OS | - | Android |
| general |
| Brand | Fire-Boltt | Ambrane |
| Model | Ninja Call 2 | FitShot Sphere |
| Release date | March 1, 2022 | February 22, 2022 |
| Model Name | Fire-Boltt Ninja Call 2 | Ambrane FitShot Sphere |
| Dial Colour | Black | Black |
| Dial Shape | Square | Round |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Peach |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Usage | Fitness & Outdoor | Fitness & Outdoor |
| Ideal For | Unisex | Unisex |
| Water Resistance Depth | - | IP68 |
| product details |
| Sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor | Heart Rate Sensor, SpO2 Sensor |
| Compatible Device | Android, iOS | Android |
| Notification | Call, Text, Social Media | Call, Text, Social Media |
| Battery Life | 10 Days | 7 Days |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| Other Features | - | Sleep tracking, Stress monitoring |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 5 |
| Call Features | calling | - |
| Other Connectivity Features | Smart notifications | - |
| Messaging Support | - | Yes |
| Third Party App Support | - | Yes |
| camera and display features |
| Display Resolution | 240x288 | - |
| Other Display Features | Touch Screen | Touch Screen |
| Display Size | - | 32mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | 1 | 1 |
| Other Fitness Features | Meditative breathing, sleep tracking, drink water reminders | 17 Sports Modes |
| Other Watch Functions | Stopwatch, sedentary reminders | Blood Oxygen Monitor, Heart Rate Monitor |
| Calorie Count | - | Yes |
| audio and video features |
| Other Multimedia Features | Music control | - |
| platform and storage features |
| Compatible Operating System | - | Android |