| key specs |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Black, Blue, Teal |
| Display Size | 36mm | 50mm |
| Compatible OS | Android, iOS | - |
| Dial Shape | Round | Square |
| Display Type | Super AMOLED | Super AMOLED |
| general |
| Brand | Boult Audio | Fastrack |
| Model | Crown R PRO | Revoltt FS1 Pro |
| Release date | June 19, 2023 | April 24, 2023 |
| Model Name | Crown R Pro | Revoltt FS1 Pro |
| Dial Colour | Black | - |
| Dial Shape | Round | Square |
| Strap Colour | Frozen Silver, Thunder Black, and Volcanic Orange | Black, Blue, Teal |
| Water Resistant | IP67 | IP68 |
| dimensions |
| Width | 47 | - |
| Height | 46 | - |
| Thickness | 13 | - |
| Weight (g) | 56.50 | - |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | Heart Rate tracker |
| Compatible Device | Android, iOS | - |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | Smart Notification |
| Battery Type | Lithium Ion | - |
| Battery Life | 5 Days | - |
| Charge Time | 2.5 hours | - |
| Charger Type | Magnetic Charger | - |
| Rechargeable Battery | Yes | 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 |
| connectivity features |
| Bluetooth | Bluetooth | Bluetooth |
| Bluetooth Version | Bluetooth 5.2 | - |
| Call Function | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 466x466 pixels | 410 X 502 |
| Display Size | 36mm | 50mm |
| Display Type | Super AMOLED | Super AMOLED |
| Other Display Features | 600 nits brightness, Always-on Display | Always-on Display |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | - |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | - |
| Number of Buttons | 1 | - |
| Other Fitness Features | Activity Tracker, Breathe, Voice Assistance, Sedentary Reminder, Sleep Monitor, 123+ sports modes | Activity Tracker, 110 Sports Mode Tracking |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Music Player, Notifications, Phone Call, 150+ watch faces, Find My Feature | Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, IP68 Rating |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |