| key specs |
| Strap Colour | Black | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Compatible OS | Android & iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Square | Square |
| Display Type | AMOLED | - |
| Ideal For | Men | Unisex |
| Display Size | - | 43mm |
| general |
| Brand | Fire-Boltt | Fire-Boltt |
| Model | Brillia | Ninja Bell |
| Model Number | BSW215 | BSW040 |
| Model Name | Brillia | Fire-Boltt Ninja Bell |
| Dial Colour | Black | Gold |
| Dial Shape | Square | Square |
| Strap Colour | Black | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Strap Material | Silicone | Silicone |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 1 m | - |
| Usage | Fitness & Outdoor | Fitness & Outdoor |
| Ideal For | Men | Unisex |
| Release date | - | June 1, 2022 |
| Size | - | Regular |
| dimensions |
| Width | 39 | 44.17 |
| Height | 9.6 | 35.78 |
| Thickness | 9.6 | 11.6 |
| Weight (g) | 60.00 | 51.00 |
| Diameter | - | 43 |
| product details |
| Closure | Buckle | Strap Buckle |
| Sensor | Sedentary Alert, Blood pressure /Oxygen, Sport Modes, Sleep Monitoring, 3-Axis Sensor, SC7A20 | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Compatible Device | All Android & iOs compatible devices | Android, iOS |
| Notification | Call, SMS, Whatsapp, Facebook, Twiter, Other Social Apps, Sedentary Reminder, Goal Completion | Call, Text, Social Media |
| Notification Type | Vibrate | - |
| Battery Type | Lithium Ion | - |
| Battery Life | Without Bluetooth Calling Function 6 Days With Bluetooth Calling Function 2 Days | 15 Days Standby Mode | - |
| Charge Time | 180 min | - |
| Charger Type | USB Cable | - |
| Stand By Time | 720 Hrs | 25 Days |
| Rechargeable Battery | Yes | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | v5.2 | - |
| Wi-Fi | No | - |
| GPS | No | - |
| Email Support | No | - |
| Operating Range | 10 m | - |
| Call Features | Reject Calls, Take Calls | Reject Calls, Take Calls, Speed Dial, Save Contacts, Call History, Calling Support via inbuilt Mic and Speaker |
| Other Connectivity Features | - | Smart notifications |
| platform and storage features |
| Compatible Operating System | Android & iOS | - |
| camera and display features |
| Display Resolution | 240x296pixels | 240x280 |
| Display Type | AMOLED | - |
| Backlight Display | No | - |
| Scratch Resistant | Yes | - |
| Display Size | - | 43mm |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | No | - |
| Calendar | No | - |
| Alarm Clock | Yes | Yes |
| Chronograph | No | Yes |
| Number of Buttons | 2 | 1 |
| Date & Time Display | - | Yes |
| Language | - | English |
| Other Fitness Features | - | Sleep tracking |
| Other Watch Functions | - | Sedentary reminders |
| audio and video features |
| Microphone | Yes | - |
| Voice Control | Yes | - |