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ratings | ||||
Overall NDTV Rating | Read Review | - | ||
Design and comfort Rating | - | |||
Tracking accuracy Rating | - | |||
Companion app Rating | - | |||
Battery life Rating | - | |||
key specs | ||||
Display Type | AMOLED | LED | ||
Water Resistant | Yes | Yes | ||
Heart Rate Monitor | Yes | Yes | ||
Compatible Devices | Android, iOS Phones | Android & iPhone | ||
Battery Life (Days) | 20 | - | ||
general | ||||
Brand | Mi | Fitbit | ||
Model | Smart Band 4 | Alta HR Smart Band | ||
Model Name | Band 4 | - | ||
Color | Black | Black | ||
Ideal For | Unisex | Unisex | ||
Material | Thermoplastic | - | ||
Suitable For | Health, Lifestyle | Fitness | ||
Touch Enabled | Yes | Yes | ||
Water Resistant | Yes | Yes | ||
Dial Shape | Rectangle | Rectangle | ||
Model Number | - | Alta HR | ||
Reading Type | - | Digital | ||
Function | - | Call, Text & Calendar Alerts, Auto Sleep Tracking & Sleep Stages | ||
display and battery features | ||||
Display Resolution | 120 x 240 RGB | - | ||
Display Type | AMOLED | LED | ||
Battery Life (Days) | 20 | - | ||
Battery Type | Lithium Ion (Li-ion) | - | ||
Charge Time (hours) | 2 | - | ||
Battery Capacity (mAh) | 135 | - | ||
Backlight Present | - | Yes | ||
performance features | ||||
Shock Resistant | Yes | Yes | ||
Water-Resistant Depth (metres) | 50 | - | ||
connectivity features | ||||
Wi-Fi Enabled | No | - | ||
Bluetooth Enabled | Yes | Yes | ||
Bluetooth Version | v5.0 | v4 | ||
compatibility | ||||
Compatible Devices | Android, iOS Phones | Android & iPhone | ||
activity tracking function | ||||
Calories Burned | Yes | - | ||
Distance Covered | Yes | Yes | ||
Heart Rate Monitor | Yes | Yes | ||
Phone Notifications | Yes | - | ||
Sleep Tracking | Yes | Yes | ||
Step Counter | Yes | Yes | ||
Alarms | - | Yes | ||
Blood Pressure Monitor | - | Yes | ||
workout modes | ||||
Treadmill | Yes | - | ||
Exercise | Yes | - | ||
Outdoor Running | Yes | - | ||
Cycling | Yes | - | ||
Walking | Yes | - | ||
Swimming | Yes | - | ||
sensors | ||||
Accelerometer | Yes | - | ||
Gyroscope | Yes | - | ||
Optical Heart Rate Sensor | Yes | - | ||
dimensions | ||||
Weight (grams) | 22.1 | - | ||
Width (mm) | 45.72 | - | ||
Height (mm) | 12.7 | - | ||
Depth (mm) | 17.78 | - |