| key specs |
| Compatible OS | iOS 11 or above, Android 9.0 or above | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Rectangle | Square |
| Strap Colour | - | Black, Blue, Green, Grey, Peach, Red, White |
| Display Size | - | 45mm |
| Ideal For | - | Unisex |
| general |
| Brand | Noise | Fire-Boltt |
| Model | ColorFit Ultra 2 Buzz | Call |
| Release date | August 17, 2022 | January 1, 1970 |
| Dial Shape | Rectangle | Square |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | IP68 | Yes |
| Dial Colour | - | Black |
| Strap Colour | - | Black, Blue, Green, Grey, Peach, Red, White |
| Interchangeable Strap | - | Yes |
| Ideal For | - | Unisex |
| dimensions |
| Width | 45.6 | - |
| Height | 37.5 | - |
| Thickness | 37.5 | - |
| Weight (g) | 41.40 | - |
| product details |
| Sensor | SpO2 Sensor, Heart Rate Sensor | blood oxygen saturation (SpO2) sensor, heart rate monitor, sleep monitor, meditative breathing sensor, menstrual reminders, sedentary reminders, hydration reminders |
| Notification | Yes | Yes |
| Notification Type | Call, Message, Alarms, Reminders | - |
| Battery Life | 7 days | 5 days |
| Charge Time | 2 hours | - |
| Stand By Time | 35 days | 30 days |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Bluetooth |
| Bluetooth Version | 5.3 | - |
| Call Features | Reject Calls, Take Calls, Call Logs, Dial Pad | Yes |
| Messaging Support | - | Yes |
| Email Support | - | Yes |
| platform and storage features |
| Compatible Operating System | iOS 11 or above, Android 9.0 or above | - |
| Processor Name | - | FB1 Nanochip |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Other Fitness Features | 100 Sports Modes, Auto Sports Detection | 7 sports modes |
| Chronograph | - | Yes |
| Language | - | English |
| Number of Buttons | - | 1 |
| Other Watch Functions | - | 200+ watch faces |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| camera and display features |
| Display Size | - | 45mm |
| Backlight Display | - | Yes |
| Other Camera Features | - | Camera Remote |