| key specs |
| Strap Material | Silicone | - |
| Dial Shape | Rectangle | Round |
| Compatible OS | - | Android, iOS |
| Display Type | - | AMOLED |
| general |
| Brand | Noise | Amazfit |
| Model | ColorFit Pulse Go Buzz | GTR 2e |
| Release date | September 7, 2022 | December 15, 2020 |
| Dial Shape | Rectangle | Round |
| Strap Material | Silicone | - |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | IP68 | - |
| Usage | Health, Fitness | - |
| Dial Material | Polycarbonate | Aluminium Alloy |
| Model Name | - | GTR 2e |
| Water Resistance Depth | - | 50 metres |
| Dial Colour | - | Dolphin Grey, Ice Lake Green, Obsidian Black options |
| dimensions |
| Width | 43.3mm | 46.5 |
| Height | 35.2mm | 46.5 |
| Thickness | 11.5mm | 10.8 |
| Weight (g) | 23.10 | 32.00 |
| product details |
| Sensor | SpO2 Sensor, Heart Rate Sensor, Accelerometer | Huami self-developed BioTracker PPG (support blood oxygen), acceleration sensor, gyroscope, 3-axis geomagnetic sensor, ambient light sensor, air pressure sensor, temperature sensor |
| Notification | Yes | Yes |
| Notification Type | Push Notifications | - |
| Battery Life | 7 days | 24 |
| Charge Time | 2 hours | 2.5 hours |
| Stand By Time | 35 days | - |
| Compatible Device | - | Android, iOS |
| Charger Type | - | Magnetic |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | v5.3 | 5.0 |
| Operating Range | 18 metres | - |
| Call Features | Make Calls, Reject Calls, Call Logs, Favourite Contacts | - |
| Other Connectivity Features | - | NFC |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes |
| Other Fitness Features | Over 100 Sports Modes, Automatic Recognition | BioTracker 2 PPG, bioogical data sensor |
| Other Watch Functions | Wrist Wake, Remote Music Control, Find My Phone, Female Health Tracker, Idle Alert, Activity Tracker | - |
| Step Count | - | Yes |
| Calorie Count | - | Yes |
| Compass | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Date & Time Display | - | Yes |
| Number of Buttons | - | 2 |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Resolution | - | 454x454 |
| Display Type | - | AMOLED |