| key specs |
| Strap Colour | Jet Black, Midnight Blue, Salamander Orange, Starlight | Infinite Black |
| Display Size | 50mm | 36mm |
| Compatible OS | Android, iOS | Android, iOS |
| Strap Material | Silicone | - |
| Dial Shape | Rectangle | Round |
| Display Type | - | AMOLED |
| general |
| Brand | Pebble | Amazfit |
| Model | Frost Pro | GTR 4 Limited Edition |
| Release date | June 6, 2023 | April 26, 2023 |
| Model Number | PFB47 | - |
| Model Name | Frost Pro | Amazfit GTR 4 Limited Edition |
| Dial Colour | Jet Black, Midnight Blue, Salamander Orange, Starlight | - |
| Dial Shape | Rectangle | Round |
| Strap Colour | Jet Black, Midnight Blue, Salamander Orange, Starlight | Infinite Black |
| Strap Material | Silicone | - |
| Interchangeable Strap | Yes | - |
| Dial Material | Metal Alloy | - |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Water Resistant | - | 5ATM |
| Usage | - | Health, Fitness |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker | Acceleration sensor, Gyroscope, Geomagnetic sensor, Barometric altimeter, Ambient light sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Yes | Yes |
| Notification Type | Calls, Sms, Email, Whatsapp and Social Media | Smart Notification |
| Talk time | 5 days | - |
| Battery Type | 250 mAh | - |
| Battery Life | 7 days | 14 days |
| Charger Type | Magnetic Charger | Magnetic Charger |
| Stand By Time | 7 days | 50 days |
| Rechargeable Battery | Yes | - |
| Other Features | AI Voice Assistant, Smart Calculator, Alarm & Notification | Stainless steel middle frame, Glass-ceramic bottom shell, Dual-band & 6 satellite positioning systems |
| Charge Time | - | 2 hours |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | Bluetooth 5.0 | - |
| Messaging Support | Yes | - |
| Operating Range | 10m | - |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| Third Party App Support | - | Yes |
| Call Features | - | Make Calls, Reject Calls |
| platform and storage features |
| Compatible Operating System | Android, iOS | Android, iOS |
| Operating System | - | Zepp OS 2.0 |
| camera and display features |
| Display Size | 50mm | 36mm |
| Display Resolution | - | 466x466 pixels |
| Display Type | - | AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | - |
| Other Fitness Features | Activity Tracker, Voice Assistance, Multiple Sports Mode Tracking, Sedentary Alert, Step Pedometer | 154 Sports Modes, Automatic Recognition, BioTracker™ 4.0 PPG biometric sensor |
| Other Watch Functions | AI Voice Assistant, Smart Calculator, Alarm & Notification | Over 200 watch faces, Music Storage, OTA Update via Wi-Fi, Events Reminder, To Do List |
| dimensions |
| Width | - | 46.5 |
| Height | - | 46.5 |
| Thickness | - | 11.2 |
| Weight (g) | - | 49.00 |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Voice Control | - | Yes |