Noise NoiseFit Mettle Smartwatch vs Boult Crown R Pro Smartwatch
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General
| Country of Origin | China | |
| Brand | Noise | Boult |
| Model Name | Mettle | CrownR Pro |
| Sales Package | Smartwatch, Magnetic Charger, User Manual, Warranty Card | Smartwatch, User Manual, Charging Cable, Warranty Card |
Design and Body
| Weight | 56.5 g | |
| Material | Metal | Zinc Alloy |
| Strap | 22mm & metal | Silicone |
| Shape | Round | Circle |
| Water Resistant | Yes | Yes |
| Water Resistant Depth | 1 m | |
| Water Resistant Certificate | IP68 | IP67 |
| Dust Proof | Yes |
Display
| Type | Color HD | Color AMOLED |
| Touch | Yes | Yes |
| Size | 1.4 inches | 1.43 inches |
| Resolution | 240 x 240 pixels | 466 x 466 pixels |
| PPI | 242 ppi | 461 ppi |
| Features | 550 nits brightness | High Brightness |
Connectivity
| Bluetooth | Yes, 5.3 | Yes, 5.2 |
| Bluetooth Calling | Yes | Yes |
Extra
| Extra Features | Weather, Find my phone, AI Voice Assistant, 100+ Watch Faces, Ideal for Men | AI Voice Assistant |
Technical
| Compatible OS | iOS 11.0 + or Android 9.0 + | Android & iOS |
Battery
| Battery Capacity | 300 mAh | |
| Battery Type | Lithium Polymer | |
| Battery Backup | 7 days | 5 days |
| StandBy Time | 25 days |
Fitness Features and Sensors
| Heart Rate Monitor | Yes | Yes |
| SpO2 (Blood Oxygen) Monitor | Yes | Yes |
| Pedometer | Yes | |
| Altimeter | No | |
| Sleep Monitor | Yes | Yes |
| Reminder | Yes | Yes |
| Meters and Sensors | Calorie Count, Step Count, Accelerometer | Calorie Count, Step Count, Real Heart Rate, SPO2, Pedometer |
| Extra Features | Alarm Clock, Stopwatch, Timer | Alarm Clock, Stopwatch, Timer |
Warranty
| Warranty | 1 year, Manufacturer Warranty | 1 year, Warranty from the Date of Purchase |
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