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key specs | ||||
Water Resistant | Yes | Yes | ||
Heart Rate Monitor | Yes | Yes | ||
Battery Life (Days) | 10 | 20 | ||
Display Type | - | AMOLED | ||
Compatible Devices | - | Android, iOS Phones | ||
general | ||||
Brand | boAt | Mi | ||
Model | ProGear B20 | Smart Band 4 | ||
Release date | July 10, 2020 | - | ||
Model Name | ProGear B20 | Band 4 | ||
Color | Black, Blue, Beige | Black | ||
Touch Enabled | Yes | Yes | ||
Water Resistant | Yes | Yes | ||
Dial Shape | Rectangle | Rectangle | ||
Ideal For | - | Unisex | ||
Material | - | Thermoplastic | ||
Suitable For | - | Health, Lifestyle | ||
display and battery features | ||||
Battery Life (Days) | 10 | 20 | ||
Charge Time (hours) | 1.5 | 2 | ||
Battery Capacity (mAh) | 90 | 135 | ||
Display Resolution | - | 120 x 240 RGB | ||
Display Type | - | AMOLED | ||
Battery Type | - | Lithium Ion (Li-ion) | ||
connectivity features | ||||
Bluetooth Enabled | Yes | Yes | ||
Bluetooth Version | v4 | v5.0 | ||
Wi-Fi Enabled | - | No | ||
compatibility | ||||
Compatible Android Version | Android 4.4 and above | - | ||
Compatible iOS Version | iOS 7.0 and above | - | ||
Compatible Devices | - | Android, iOS Phones | ||
activity tracking function | ||||
Alarms | Yes | - | ||
Calories Burned | Yes | Yes | ||
Heart Rate Monitor | Yes | Yes | ||
Phone Notifications | Yes | Yes | ||
Reminders | Yes | - | ||
Sedentary Reminder | Yes | - | ||
Sleep Tracking | Yes | Yes | ||
Step Counter | Yes | Yes | ||
Distance Covered | - | Yes | ||
workout modes | ||||
Treadmill | Yes | Yes | ||
Outdoor Running | Yes | Yes | ||
Cycling | Yes | Yes | ||
Walking | Yes | Yes | ||
Exercise | - | Yes | ||
Swimming | - | Yes | ||
sensors | ||||
Vibration Motor | Yes | - | ||
Accelerometer | - | Yes | ||
Gyroscope | - | Yes | ||
Optical Heart Rate Sensor | - | Yes | ||
ratings | ||||
Overall NDTV Rating | - | Read Review | ||
Design and comfort Rating | - | |||
Tracking accuracy Rating | - | |||
Companion app Rating | - | |||
Battery life Rating | - | |||
performance features | ||||
Shock Resistant | - | Yes | ||
Water-Resistant Depth (metres) | - | 50 | ||
dimensions | ||||
Weight (grams) | - | 22.1 | ||
Width (mm) | - | 45.72 | ||
Height (mm) | - | 12.7 | ||
Depth (mm) | - | 17.78 |