| key specs |
| Strap Colour | Black, Grey, Green | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Display Size | 36mm | 43mm |
| Dial Shape | Round | Square |
| Display Type | AMOLED | - |
| Strap Material | - | Silicone |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Fire-Boltt |
| Model | Dagger | Ninja Bell |
| Release date | February 6, 2023 | June 1, 2022 |
| Model Number | BSW109 | BSW040 |
| Model Name | Dagger | Fire-Boltt Ninja Bell |
| Dial Colour | Black | Gold |
| Dial Shape | Round | Square |
| Strap Colour | Black, Grey, Green | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Water Resistant | IP68 | Yes |
| Dial Material | Metal | - |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Usage | - | Fitness & Outdoor |
| Ideal For | - | Unisex |
| dimensions |
| Width | 27.5 | 44.17 |
| Height | 4.91 | 35.78 |
| Thickness | 1.43 | 11.6 |
| Weight (g) | 66.50 | 51.00 |
| Diameter | - | 43 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Notification Type | Smart Notification | - |
| Battery Type | Lithium Ion | - |
| Battery Life | 5 Days | - |
| Charge Time | 3 hours | - |
| Stand By Time | 30 | 25 Days |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Call Features | - | Reject Calls, Take Calls, Speed Dial, Save Contacts, Call History, Calling Support via inbuilt Mic and Speaker |
| Other Connectivity Features | - | Smart notifications |
| camera and display features |
| Display Resolution | 326x326 pixels | 240x280 |
| Display Size | 36mm | 43mm |
| Display Type | AMOLED | - |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | - |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | 1 |
| Other Fitness Features | Activity Tracker, Multiple Sports Mode Tracking, Calorie Tracker, Daily Workout Memory, Sedentary Reminder, Sleep Monitor | Sleep tracking |
| Other Watch Functions | Music Control, Remote Camera Control, Alarm, Timer, Stopwatch, Weather Forecast, Support For Multiple Watch Faces, A Rotating Crown Button. | Sedentary reminders |
| Alarm Clock | - | Yes |
| Chronograph | - | Yes |
| Language | - | English |
| audio and video features |
| Microphone | Yes | - |