| key specs |
| Strap Material | Silicone | Silicone |
| Dial Shape | Rectangle | Rectangle |
| Compatible OS | - | iOS 11 or above, Android 9.0 or above |
| general |
| Brand | Noise | Noise |
| Model | ColorFit Pulse Go Buzz | ColorFit Ultra 2 Buzz |
| Release date | September 7, 2022 | August 17, 2022 |
| Dial Shape | Rectangle | Rectangle |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | IP68 | IP68 |
| Usage | Health, Fitness | - |
| Dial Material | Polycarbonate | - |
| dimensions |
| Width | 43.3mm | 45.6 |
| Height | 35.2mm | 37.5 |
| Thickness | 11.5mm | 37.5 |
| Weight (g) | 23.10 | 41.40 |
| product details |
| Sensor | SpO2 Sensor, Heart Rate Sensor, Accelerometer | SpO2 Sensor, Heart Rate Sensor |
| Notification | Yes | Yes |
| Notification Type | Push Notifications | Call, Message, Alarms, Reminders |
| Battery Life | 7 days | 7 days |
| Charge Time | 2 hours | 2 hours |
| Stand By Time | 35 days | 35 days |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | v5.3 | 5.3 |
| Operating Range | 18 metres | - |
| Call Features | Make Calls, Reject Calls, Call Logs, Favourite Contacts | Reject Calls, Take Calls, Call Logs, Dial Pad |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes |
| Other Fitness Features | Over 100 Sports Modes, Automatic Recognition | 100 Sports Modes, Auto Sports Detection |
| Other Watch Functions | Wrist Wake, Remote Music Control, Find My Phone, Female Health Tracker, Idle Alert, Activity Tracker | - |
| Step Count | - | Yes |
| Calorie Count | - | Yes |
| Alarm Clock | - | Yes |
| Date & Time Display | - | Yes |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| platform and storage features |
| Compatible Operating System | - | iOS 11 or above, Android 9.0 or above |