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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design and comfort Rating | - | |||
| Tracking accuracy Rating | - | |||
| Companion app Rating | - | |||
| Software and ecosystem Rating | - | |||
| Battery life Rating | - | |||
| key specs | ||||
| Strap Colour | Black, Mist Grey, Teal Green, Special Edition | - | ||
| Strap Material | Silicone | Silicone | ||
| Dial Shape | Square | Round | ||
| Ideal For | Unisex | - | ||
| general | ||||
| Brand | Noise | Huami | ||
| Model | Colorfit Nav | Amazfit Stratos 3 | ||
| Release date | July 31, 2020 | August 27, 2019 | ||
| Dial Shape | Square | Round | ||
| Strap Material | Silicone | Silicone | ||
| Touchscreen | Yes | Yes | ||
| Interchangeable Strap | Yes | - | ||
| Water Resistant | IP68 | 5ATM | ||
| Dial Material | Polycarbonate | Stainless Steel | ||
| Ideal For | Unisex | - | ||
| Strap Colour | Black, Mist Grey, Teal Green, Special Edition | - | ||
| Model Name | - | Stratos 3 | ||
| Water Resistance Depth | - | 50 Meters | ||
| Usage | - | For Sports | ||
| dimensions | ||||
| Width | 40.9 | - | ||
| Height | 35.7 | - | ||
| Thickness | 11.6 | 13.4 mm | ||
| Weight (g) | 36.30 | 40.40 | ||
| Diameter | - | 48.6mm | ||
| product details | ||||
| Closure | Buckle | - | ||
| Sensor | Accelerometer, Gyroscope Sensor, Optical Heart Rate Sensor, Capacitive Sensor | BioTracker PPG Bio-Tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air pressure sensor | ||
| Compatible Device | iOS 9+, Android 5+ | Android 5.0 or iOS 10.0 and above | ||
| Notification | Calls, Emails, Texts, Chats | Yes | ||
| Battery Type | 210 | Lithium-ion polymer battery | ||
| Battery Life | 4 Days | 7 days in smart mode | ||
| Charge Time | 2 Hours | 2.5 hours | ||
| Charger Type | Magnetic Pin | - | ||
| Stand By Time | 30 Days | - | ||
| Rechargeable Battery | Yes | - | ||
| Other Features | Preset SMS replies, Caller Name Information, Call Rejection, Find my Phone, Hand Wash Reminder, Sedentary Reminder, Low Battery Reminder, Remote Music Control, Remote Camera Control, Calendar Reminder, Weather Forecast, Stopwatch, Google Fit | - | ||
| Notification Type | - | Calls, Messages, App Alerts | ||
| connectivity features | ||||
| Call Function | No | - | ||
| Bluetooth | Yes | Yes | ||
| Bluetooth Version | 4.2 | 5.0 | ||
| GPS | Yes | Yes | ||
| Wi-Fi | - | Yes | ||
| camera and display features | ||||
| Display Resolution | 320x320 | 320x320 | ||
| fitness and watch functions | ||||
| Step Count | Yes | Yes | ||
| Heart Rate Monitor | Yes | Yes | ||
| Date & Time Display | Yes | - | ||
| Language | English | - | ||
| Number of Buttons | 2 | 4 | ||
| Other Fitness Features | Heart Rate Monitor, Step Tracker, Calories, Burned Distance Travelled, Activity History, Sleep Monitor, Breathe Sports Mode | 80 Sports Modes | ||
| Calorie Count | - | Yes | ||
| Alarm Clock | - | Yes | ||
| audio and video features | ||||
| Speaker | No | - | ||
| Gesture Control | No | - | ||
| Voice Control | No | - | ||
| Audio Features | - | Standalone Music Playback | ||
| platform and storage features | ||||
| Operating System | - | Amazfit OS | ||
| Number of Cores | - | dual-core | ||
| RAM | - | 512MB | ||
| Processor Speed | - | 1200 | ||
| Internal Memory | - | 2GB | ||
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