| key specs |
| Strap Colour | Multicolour | Black |
| Display Size | 35mm | 34mm |
| Compatible OS | Android, iOS | Android, iOS |
| Strap Material | Silicone | - |
| Dial Shape | Round | Round |
| Display Type | - | AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Pebble | Fire-Boltt |
| Model | Revolve | Invincible |
| Release date | July 27, 2023 | October 1, 2021 |
| Model Number | PFB55 | BSW020 |
| Model Name | Revolve | Invincible |
| Dial Colour | Black | - |
| Dial Shape | Round | Round |
| Strap Colour | Multicolour | Black |
| Strap Material | Silicone | - |
| Size | Regular | Regular |
| Interchangeable Strap | Yes | - |
| Water Resistant | IP67 | IP67 |
| Touchscreen | - | Yes |
| Ideal For | - | Unisex |
| dimensions |
| Width | 18 cm | 45 |
| Height | 15 cm | 45 |
| Thickness | 2.5 cm | 11 |
| Diameter | 35.3 | - |
| Weight (g) | 270.00 | 51.00 |
| product details |
| Sensor | SPO2, Heart Rate Tracking, women health tracker | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor |
| Compatible Device | Android, iPhone | Android, iPhone |
| Notification | Yes | Yes |
| Battery Life | 7 days | 7 days |
| Charger Type | Wireless | Magnetic |
| Rechargeable Battery | Yes | Yes |
| Other Features | Always-on display | - |
| Charge Time | - | 2 hours |
| Stand By Time | - | 15 days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.1 | 5.0 |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| camera and display features |
| Display Size | 35mm | 34mm |
| Other Display Features | Always-on Display | Always-On Display |
| Display Resolution | - | 454x454 |
| Display Type | - | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 1 | - |
| Other Fitness Features | Activity Tracker, Multiple Sports Mode Tracking, Calorie Tracker, Sleep Monitor | 100 sports modes |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, IP67 Rating, Calculator, Music Player, Notifications, Phone Call, Camera control, Zen mode, Raise to Wake | 8GB storage, 100 watch faces, calculator, TWS Connect, Quick Dial, flashlight |
| Language | - | English |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Other Multimedia Features | - | music control, camera control |