| key specs |
| Dial Shape | Rectangle | Rectangle |
| Ideal For | Unisex | - |
| Compatible OS | - | iOS 11 or above, Android 9.0 or above |
| Strap Material | - | Silicone |
| general |
| Brand | Fire-Boltt | Noise |
| Model | Ninja Call Pro Plus | ColorFit Ultra 2 Buzz |
| Release date | November 22, 2022 | August 17, 2022 |
| Dial Shape | Rectangle | Rectangle |
| Touchscreen | Yes | Yes |
| Water Resistant | IP67 | IP68 |
| Ideal For | Unisex | - |
| Strap Material | - | Silicone |
| Size | - | Regular |
| product details |
| Notification | Smart | Yes |
| Battery Life | 6 days | 7 days |
| Stand By Time | 15 days | 35 days |
| Sensor | - | SpO2 Sensor, Heart Rate Sensor |
| Notification Type | - | Call, Message, Alarms, Reminders |
| Charge Time | - | 2 hours |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | - | Yes |
| Bluetooth Version | - | 5.3 |
| Call Features | - | Reject Calls, Take Calls, Call Logs, Dial Pad |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes |
| Other Fitness Features | Drink water reminder, female health care, heart rate tracker, sedentary tracker, sleep monitoring, and SpO2 | 100 Sports Modes, Auto Sports Detection |
| Other Watch Functions | Camera control, music control, weather updates | - |
| Step Count | - | Yes |
| Calorie Count | - | Yes |
| Alarm Clock | - | Yes |
| Date & Time Display | - | Yes |
| dimensions |
| Width | - | 45.6 |
| Height | - | 37.5 |
| Thickness | - | 37.5 |
| Weight (g) | - | 41.40 |
| platform and storage features |
| Compatible Operating System | - | iOS 11 or above, Android 9.0 or above |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |