| key specs |
| Strap Colour | Classic Black, Classic Blue, Classic Brown, Jet Black and Metal Blue | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Display Size | 36mm | 43mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Round | Square |
| Display Type | AMOLED | - |
| Ideal For | - | Unisex |
| general |
| Brand | Noise | Fire-Boltt |
| Model | Fit Twist Pro | Ninja Bell |
| Release date | July 7, 2023 | June 1, 2022 |
| Model Name | NoiseFit Twist Pro | Fire-Boltt Ninja Bell |
| Dial Colour | Black | Gold |
| Dial Shape | Round | Square |
| Strap Colour | Classic Black, Classic Blue, Classic Brown, Jet Black and Metal Blue | Black, Blue, Gold, Green, Grey, Pink, Purple |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Water Resistant | IP68 | Yes |
| Model Number | - | BSW040 |
| Touchscreen | - | Yes |
| Usage | - | Fitness & Outdoor |
| Ideal For | - | Unisex |
| dimensions |
| Width | 3.9cm | 44.17 |
| Height | 1.2cm | 35.78 |
| Thickness | 4.7cm | 11.6 |
| Weight (g) | 45.00 | 51.00 |
| Diameter | - | 43 |
| product details |
| Sensor | Heart rate sensor, accelerometer, SpO2 sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Battery Type | 300mAh | - |
| Battery Life | 7 days | - |
| Charge Time | 2 hours | - |
| Stand By Time | 25 days | 25 Days |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | - |
| Call Features | - | 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 | 240x240 | 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 |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | 1 |
| Other Fitness Features | Sleep monitor, stress monitor, Female cycle tracker, Breathing practice | Sleep tracking |
| Other Watch Functions | Alarm Clock, Voice Assistance, In Built Mic & Speaker, Find My Device, Camera Shutter, World Clock, Remote Music Control, Wrist Awake | Sedentary reminders |
| Chronograph | - | Yes |
| Language | - | English |