| key specs |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Dark Green, Rose Gold |
| Strap Material | Silicone | - |
| Dial Shape | Square | Rectangle |
| Ideal For | Unisex | Unisex |
| Display Size | - | 38mm |
| general |
| Brand | Fire-Boltt | Fire-Boltt |
| Model | Ninja Call 2 | Ninja 2 Max |
| Release date | March 1, 2022 | January 18, 2022 |
| Model Name | Fire-Boltt Ninja Call 2 | Ninja 2 Max |
| Dial Colour | Black | Black, Dark Green, Rose Gold |
| Dial Shape | Square | Rectangle |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black, Dark Green, Rose Gold |
| Strap Material | Silicone | - |
| Size | Regular | - |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | Unisex |
| Model Number | - | BSW022 |
| Interchangeable Strap | - | Yes |
| product details |
| Sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor | Heart Rate Sensor, SpO2 Sensor, Sleep Sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Call, Text, Social Media | Yes |
| Battery Life | 10 Days | 7 days |
| Rechargeable Battery | Yes | Yes |
| Battery Type | - | Lithium-ion |
| Stand By Time | - | 25 days |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5 | - |
| Call Features | calling | - |
| Other Connectivity Features | Smart notifications | - |
| camera and display features |
| Display Resolution | 240x288 | 240x280 |
| Other Display Features | Touch Screen | - |
| Display Size | - | 38mm |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | 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 | 20 sports modes |
| Other Watch Functions | Stopwatch, sedentary reminders | - |
| Calorie Count | - | Yes |
| Calendar | - | Yes |
| Chronograph | - | Yes |
| audio and video features |
| Other Multimedia Features | Music control | - |
| dimensions |
| Width | - | 43 |
| Height | - | 37 |
| Thickness | - | 9 |
| Weight (g) | - | 32.00 |