| key specs |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black |
| Strap Material | Silicone | Silicone |
| Dial Shape | Square | Rectangle |
| Ideal For | Unisex | - |
| Display Size | - | 38mm |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Fire-Boltt | Noise |
| Model | Ninja Call 2 | Colorfit Pro 3 |
| Release date | March 1, 2022 | February 10, 2021 |
| Model Name | Fire-Boltt Ninja Call 2 | - |
| Dial Colour | Black | - |
| Dial Shape | Square | Rectangle |
| Strap Colour | Black, Blue, Gold, Red, Silver | Black |
| Strap Material | Silicone | Silicone |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | 5ATM |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | - |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | 50m |
| Dial Material | - | Polycarbonate |
| product details |
| Sensor | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor | Heart rate sensor, accelerometer, SpO2 sensor |
| Compatible Device | Android, iOS | Android, iOS |
| Notification | Call, Text, Social Media | Yes |
| Battery Life | 10 Days | 10 days |
| Rechargeable Battery | Yes | Yes |
| Battery Type | - | 210mAh |
| Charge Time | - | 2 hours |
| Stand By Time | - | 30 days |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5 | 5.0 |
| Call Features | calling | - |
| Other Connectivity Features | Smart notifications | - |
| GPS | - | No |
| camera and display features |
| Display Resolution | 240x288 | 320x360 |
| Other Display Features | Touch Screen | - |
| Display Size | - | 38mm |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Number of Buttons | 1 | 1 |
| Other Fitness Features | Meditative breathing, sleep tracking, drink water reminders | Sleep monitor, stress monitor, female health tracking and reminding. |
| Other Watch Functions | Stopwatch, sedentary reminders | - |
| Calorie Count | - | Yes |
| Calendar | - | Yes |
| audio and video features |
| Other Multimedia Features | Music control | - |
| dimensions |
| Width | - | 36.3 |
| Height | - | 43.2 |
| Weight (g) | - | 35.00 |
| platform and storage features |
| Compatible Operating System | - | Android, iOS |