| key specs | 
| Strap Colour | Obsidian Black, Classic Silver, and Rose Gold | - | 
| Display Size | 36mm | - | 
| Compatible OS | Android, iOS | - | 
| Dial Shape | Round | Rectangle | 
| Display Type | AMOLED | - | 
| Strap Material | - | Silicone | 
| Ideal For | - | Unisex | 
| general | 
| Brand | Pebble | Fastrack | 
| Model | Cosmos Vault | Reflex Vox | 
| Release date | May 24, 2023 | January 28, 2022 | 
| Model Number | PFB204 | - | 
| Model Name | Cosmos Vault | - | 
| Dial Colour | Black | - | 
| Dial Shape | Round | Rectangle | 
| Strap Colour | Obsidian Black, Classic Silver, and Rose Gold | - | 
| Water Resistant | No | - | 
| Dial Material | Metal Alloy | - | 
| Strap Material | - | Silicone | 
| Size | - | Regular | 
| Touchscreen | - | Yes | 
| Interchangeable Strap | - | Yes | 
| Ideal For | - | Unisex | 
| dimensions | 
| Width | 10 | - | 
| Weight (g) | 102.00 | - | 
| product details | 
| Maximum Operating Altitude | 5m | - | 
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | Heart rate, SpO2 | 
| Compatible Device | Android, iOS | - | 
| Notification | Yes | - | 
| Notification Type | Calls, Sms, Email, Whatsapp and Social Media | - | 
| Talk time | 5 | - | 
| Battery Type | Lithium Polymer | - | 
| Battery Life | 7 days | 10 days | 
| Charge Time | 2 hours | - | 
| Charger Type | Magnetic Charger | - | 
| Stand By Time | 7 days | - | 
| Rechargeable Battery | Yes | - | 
| Other Features | - | Amazon Alexa support, over 100 watch faces, multi-sports mode | 
| connectivity features | 
| Call Function | Yes | No | 
| Bluetooth | Bluetooth | - | 
| Bluetooth Version | Bluetooth 5.0 | - | 
| Operating Range | 10m | - | 
| platform and storage features | 
| Compatible Operating System | Android, iOS | - | 
| camera and display features | 
| Display Resolution | 466x466 pixels | - | 
| Display Size | 36mm | - | 
| Display Type | AMOLED | - | 
| Other Display Features | 600 nits brightness, Always-on Display | - | 
| fitness and watch functions | 
| Step Count | Yes | Yes | 
| Calorie Count | Yes | - | 
| Heart Rate Monitor | Yes | Yes | 
| Compass | Yes | Yes | 
| Calendar | Yes | Yes | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | Yes | 
| Number of Buttons | 1 | - | 
| Other Fitness Features | Activity Tracker, Voice Assistance, Multiple Sports Mode, Calorie Tracker, Sleep Monitor, Time Display | - | 
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Notifications, Pedometer, Phone Call | sleep tracker, activity tracker, stress monitor, menstrual tracker, music control, camera control, hydration alerts, notifications alert |