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| key specs | ||||
| Strap Colour | Black, Blue, Pink | - | ||
| Display Size | 33mm | - | ||
| Compatible OS | Android, iOS | - | ||
| Dial Shape | Rectangle | Round | ||
| Ideal For | Unisex | Unisex | ||
| general | ||||
| Brand | Fire-Boltt | Zebronics | ||
| Model | Ninja 2 | ZEB-FIT4220CH | ||
| Release date | February 7, 2022 | June 16, 2021 | ||
| Model Name | Fire-Boltt Ninja 2 | ZEB-FIT4220CH | ||
| Dial Colour | Black | - | ||
| Dial Shape | Rectangle | Round | ||
| Strap Colour | Black, Blue, Pink | - | ||
| Touchscreen | Yes | Yes | ||
| Water Resistant | Yes | IP67 | ||
| Water Resistance Depth | 1.5m | - | ||
| Usage | Fitness & Outdoor | - | ||
| Ideal For | Unisex | Unisex | ||
| product details | ||||
| Sensor | Rate Sensor, SpO2 Sensor | - | ||
| Compatible Device | Android, iOS | - | ||
| Notification | Call, Text, Social Media | - | ||
| Battery Life | 7 | - | ||
| Stand By Time | 25 | 30 days | ||
| Other Features | Sleep tracking, 30 Sports Modes, Games | - | ||
| Closure | - | Buckle | ||
| Charge Time | - | 2 | ||
| connectivity features | ||||
| Call Function | Yes | Yes | ||
| Messaging Support | Yes | - | ||
| Other Connectivity Features | Smart notifications | - | ||
| Bluetooth | - | Yes | ||
| Call Features | - | DIal Pad, Recent Calls, Contact List | ||
| platform and storage features | ||||
| Compatible Operating System | Android, iOS | - | ||
| camera and display features | ||||
| Display Resolution | 240x240 | - | ||
| Display Size | 33mm | - | ||
| Backlight Display | Yes | - | ||
| 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 | 2 | ||
| Other Fitness Features | 30 Sports modes, | - | ||
| Other Watch Functions | stopwatch, weather updates | - | ||
| Calorie Count | - | Yes | ||
| Compass | - | Yes | ||
| Calendar | - | Yes | ||
| ratings | ||||
| Overall NDTV Rating | - | Read Review | ||
| Design and comfort Rating | - | |||
| Tracking accuracy Rating | - | |||
| Companion app Rating | - | |||
| Software and ecosystem Rating | - | |||
| Battery life Rating | - | |||
| dimensions | ||||
| Width | - | 87.3 | ||
| Height | - | 95.3 | ||
| Diameter | - | 55.4 | ||
| Weight (g) | - | 60.00 | ||
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