| key specs |
| Strap Material | Silicone | - | - | - |
| Dial Shape | Round | Round | Round | Square |
| Display Type | AMOLED | AMOLED | - | - |
| Ideal For | Unisex | - | - | Unisex |
| Strap Colour | - | Obsidian Black, Classic Silver, and Rose Gold | Black, Gold, Silver, Gunmetal | - |
| Display Size | - | 36mm | 35mm | 34mm |
| Compatible OS | - | Android, iOS | Android, iOS | - |
| general |
| Brand | CMF by Nothing | Pebble | Pebble | Pebble |
| Model | CMF Watch Pro 2 | Cosmos Vault | Cosmos Bold Pro | Spectra |
| Release date | July 8, 2024 | May 24, 2023 | May 3, 2023 | July 28, 2022 |
| Model Name | CMF Watch Pro 2 | Cosmos Vault | Cosmos Bold Pro | Pebble Spectra |
| Dial Shape | Round | Round | Round | Square |
| Strap Material | Silicone | - | - | - |
| Size | Regular | - | Regular | Regular |
| Interchangeable Strap | Yes | - | Yes | - |
| Water Resistant | IP68 | No | IP67 | Yes |
| Usage | Regular, Sports | - | - | Fitness & Outdoor |
| Dial Material | Aluminium | Metal Alloy | Metal | Zinc alloy |
| Ideal For | Unisex | - | - | Unisex |
| Model Number | - | PFB204 | PFB42 | - |
| Dial Colour | - | Black | - | Black |
| Strap Colour | - | Obsidian Black, Classic Silver, and Rose Gold | Black, Gold, Silver, Gunmetal | - |
| Touchscreen | - | - | - | Yes |
| Water Resistance Depth | - | - | - | IP67 |
| dimensions |
| Width | 255 | 10 | - | - |
| Height | 45 | - | - | - |
| Thickness | 13.6 | - | - | - |
| Weight (g) | 48.10 | 102.00 | - | - |
| product details |
| Sensor | Heart rate, SpO2, accelerometer, ambient light | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | SpO2 sensor, Heart Rate tracker, Sleep tracker | Blood Oxygen Monitor, Heart Rate Monitor |
| Compatible Device | iOS 13 and above, Android 8.0 and above | Android, iOS | Android, iOS | Android, iOS |
| Battery Type | 305 | Lithium Polymer | - | 300 |
| Battery Life | 11 days | 7 days | 5 days | - |
| Maximum Operating Altitude | - | 5m | - | - |
| Notification | - | Yes | Yes | - |
| Notification Type | - | Calls, Sms, Email, Whatsapp and Social Media | Calls, Sms, Email, Whatsapp and Social Media | - |
| Talk time | - | 5 | - | - |
| Charge Time | - | 2 hours | - | - |
| Charger Type | - | Magnetic Charger | Wired charging | - |
| Stand By Time | - | 7 days | 7 days | 30 days |
| Rechargeable Battery | - | Yes | Yes | - |
| Other Features | - | - | Alarm & Notification, Zen Mode, Sleep, Display Timer, Flashlight, Find Phone, Voice Assistant, Music, Camera Shutter, Menu Style | - |
| Closure | - | - | - | Strap Buckle |
| connectivity features |
| Call Function | Yes | Yes | Yes | Yes |
| Bluetooth | Yes | Bluetooth | Bluetooth | Yes |
| Bluetooth Version | 5.3 | Bluetooth 5.0 | - | 5.1 |
| Wi-Fi | Yes | - | - | - |
| GPS | Yes | - | - | - |
| Operating Range | - | 10m | - | - |
| Messaging Support | - | - | Yes | - |
| camera and display features |
| Display Resolution | 466 x 466 | 466x466 pixels | 360x360 pixels | 390x360 |
| Display Type | AMOLED | AMOLED | - | - |
| Display Size | - | 36mm | 35mm | 34mm |
| Other Display Features | - | 600 nits brightness, Always-on Display | 500 nits brightness, IPS HD display | - |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes | Yes | Yes |
| Date & Time Display | Yes | Yes | Yes | Yes |
| Language | English | - | - | English |
| Other Fitness Features | heart rate, SpO2, menstrual cycle tracker | Activity Tracker, Voice Assistance, Multiple Sports Mode, Calorie Tracker, Sleep Monitor, Time Display | Steps pedometer, SPO2, Heart Rate Monitor, over 100 sports modes | - |
| Step Count | - | Yes | Yes | Yes |
| Calorie Count | - | Yes | - | - |
| Compass | - | Yes | - | - |
| Calendar | - | Yes | Yes | Yes |
| Alarm Clock | - | Yes | Yes | Yes |
| Number of Buttons | - | 1 | 1 | - |
| Other Watch Functions | - | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Calculator, Notifications, Pedometer, Phone Call | Alarm & Notification, Zen Mode, Sleep, Find Phone, Voice Assistant, Music, Camera Shutter, Menu Style | - |
| audio and video features |
| Speaker | Yes | - | - | - |
| Microphone | Yes | - | - | - |
| platform and storage features |
| Compatible Operating System | - | Android, iOS | Android, iOS | - |