Garmin D2 Mach 2 vs Fire-Boltt Ninja Call 2 comparison
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| key specs |
| Display Size | 35mm | - |
| Dial Shape | Round | Square |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black, Blue, Gold, Red, Silver |
| Strap Material | - | Silicone |
| general |
| Brand | Garmin | Fire-Boltt |
| Model | D2 Mach 2 | Ninja Call 2 |
| Release date | October 22, 2025 | March 1, 2022 |
| Model Name | Garmin D2 Mach 2 | Fire-Boltt Ninja Call 2 |
| Dial Colour | Black | Black |
| Dial Shape | Round | Square |
| Water Resistant | 10 ATM | Yes |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black, Blue, Gold, Red, Silver |
| Strap Material | - | Silicone |
| Size | - | Regular |
| Touchscreen | - | Yes |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 47 | - |
| Height | 47 | - |
| Thickness | 13.8 | - |
| Weight (g) | 73.00 | - |
| product details |
| Talk time | 14 | - |
| Sensor | - | SpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor |
| Compatible Device | - | Android, iOS |
| Notification | - | Call, Text, Social Media |
| Battery Life | - | 10 Days |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Third Party App Support | Yes | - |
| Call Features | Yes | calling |
| Other Connectivity Features | Glonass, Galileo, Beidou, QZSS | Smart notifications |
| Bluetooth Version | - | 5 |
| camera and display features |
| Display Resolution | 454 x 454 | 240x288 |
| Display Size | 35mm | - |
| Other Display Features | - | Touch Screen |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | English |
| Number of Buttons | - | 1 |
| Other Fitness Features | - | Meditative breathing, sleep tracking, drink water reminders |
| Other Watch Functions | - | Stopwatch, sedentary reminders |
| audio and video features |
| Other Multimedia Features | - | Music control |
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