| key specs |
| Strap Colour | Black, Blue, Teal | - |
| Display Size | 50mm | - |
| Dial Shape | Square | Rectangle |
| Display Type | Super AMOLED | - |
| Compatible OS | - | iOS 11 or above, Android 9.0 or above |
| Strap Material | - | Silicone |
| general |
| Brand | Fastrack | Noise |
| Model | Revoltt FS1 Pro | ColorFit Ultra 2 Buzz |
| Release date | April 24, 2023 | August 17, 2022 |
| Model Name | Revoltt FS1 Pro | - |
| Dial Shape | Square | Rectangle |
| Strap Colour | Black, Blue, Teal | - |
| Water Resistant | IP68 | IP68 |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Touchscreen | - | Yes |
| product details |
| Sensor | Heart Rate tracker | SpO2 Sensor, Heart Rate Sensor |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | Call, Message, Alarms, Reminders |
| Rechargeable Battery | Yes | - |
| Other Features | Activity Tracker, Heart Rate Tracking, Bluetooth Calling , Voice Assistance, 110+ Sports Mode Tracking, In Built Mic & Speaker,IP68 Rating, Sleep Monitor, Fast charging | - |
| Battery Life | - | 7 days |
| Charge Time | - | 2 hours |
| Stand By Time | - | 35 days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | - | 5.3 |
| Call Features | - | Reject Calls, Take Calls, Call Logs, Dial Pad |
| camera and display features |
| Display Resolution | 410 X 502 | - |
| Display Size | 50mm | - |
| Display Type | Super AMOLED | - |
| Other Display Features | Always-on Display | - |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Other Fitness Features | Activity Tracker, 110 Sports Mode Tracking | 100 Sports Modes, Auto Sports Detection |
| Other Watch Functions | Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, IP68 Rating | - |
| Calorie Count | - | Yes |
| Alarm Clock | - | Yes |
| Date & Time Display | - | Yes |
| dimensions |
| Width | - | 45.6 |
| Height | - | 37.5 |
| Thickness | - | 37.5 |
| Weight (g) | - | 41.40 |
| platform and storage features |
| Compatible Operating System | - | iOS 11 or above, Android 9.0 or above |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |