| key specs |
| Strap Colour | Black, Silver, Gold, Active Black, Brown | Charcoal Black, Cloud Grey, Rose Pink |
| Display Size | 36mm | 42mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Stainless Steel | Silicone |
| Dial Shape | Round | Round |
| Display Type | - | AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Fire-Boltt | Noise |
| Model | Ultimate | Fit Evolve 2 |
| Release date | June 19, 2023 | December 10, 2021 |
| Model Number | BSW158 | - |
| Model Name | Ultimate | NoiseFit Evolve 2 |
| Dial Colour | Black | Black |
| Dial Shape | Round | Round |
| Strap Colour | Black, Silver, Gold, Active Black, Brown | Charcoal Black, Cloud Grey, Rose Pink |
| Strap Material | Stainless Steel | Silicone |
| Touchscreen | Yes | - |
| Water Resistant | IP68 | Yes |
| Size | - | Regular |
| Interchangeable Strap | - | No |
| Water Resistance Depth | - | 5ATM |
| Usage | - | Fitness & Outdoor |
| Dial Material | - | Polycarbonate |
| Ideal For | - | Unisex |
| dimensions |
| Width | 46.6mm | - |
| Height | 50.6mm | - |
| Thickness | 10.4mm | - |
| Diameter | 35.3mm | - |
| Weight (g) | 80.00 | - |
| product details |
| Sensor | SPO2, Heart Rate Tracking, women health tracker | Blood Oxygen Monitor, Heart Rate Monitor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Notification Type | Calls, Sms, Whatsapp and Social Media | Vibration |
| Battery Type | Lithium Ion | - |
| Battery Life | 7 days | 7 |
| Charge Time | 2 hours | 70 Minutes |
| Stand By Time | 20 days | 42 Days |
| Rechargeable Battery | Yes | Yes |
| Closure | - | Strap Buckle |
| Other Features | - | Sleep tracking, stress monitoring |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | Bluetooth 5.0 | - |
| Wi-Fi | - | Yes |
| Messaging Support | - | Yes |
| Email Support | - | Yes |
| Operating Range | - | 10m |
| Call Features | - | Mute calls, Reject calls |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 240 x 240 pixels | 390x360 |
| Display Size | 36mm | 42mm |
| Display Type | - | AMOLED |
| Scratch Resistant | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Number of Buttons | 2 | 2 |
| Other Fitness Features | Activity Tracker, 123 Sports Mode Tracking, Sedentary Reminder, Sleep Monitor, Women health tracker | Sleep Monitoring, Blood Oxygen Monitor, 24x7 Heart Rate Monitor, 12 Sports Mode |
| Other Watch Functions | Music Control, Remote Camera Control, Alarm, Timer, Stopwatch, Weather Forecast, Support For Multiple Watch Faces, A Rotating Crown Button | - |
| Date & Time Display | - | Yes |
| audio and video features |
| Speaker | - | No |
| Gesture Control | - | Yes |
| Microphone | - | No |