Global Version Xiaomi Mi Band 4 Smart Watch Heart Rate Activity Fitness Tracker Smart Band Bracelet colorful display w
Comparison between Mi Band 4 and 3
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Global version Mi band 4 |
Global version Mi band 3 |
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Image |
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Dimension |
17.9 x 46.9 x 13mm |
17.9 x 46.9 x 12mm |
| Wristband Length |
247mm |
247mm |
| Battery Capacity |
135mAh |
135mAh |
| Waterproof Level |
5ATM[2] (50m-swimming) |
5ATM[2] (50m-swimming) |
| Screen Size |
0.95'' |
0.78'' |
| Sensor | 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor | Triaxial acceleration sensor, PPG heart rate sensor |
| Matching requirements | BT5.0 BLE | Bluetooth 4.0 Android 4.4 or iOS9.0 and above mobile phones |
| Message Notification |
Display message content |
Display message content |
| Sports Data |
Display |
Display |
| Weather Forecast |
Display |
Display |
| Exterior |
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| Size |
Mi Band 4 Body: 17.9x46.9x13mm Wristband width: 247mm Wristband adjustable length: 155 - 216mm |
| Parameter |
Weight: 22.1g Water resistance rating: 5 ATM Display type: AMOLED Screen size: 0.95’’ Resolution: 120x240 RGB Color depth: 24 bit Screen brightness: Up to 450 nits Touchscreen type: On-cell capacitive touchscreen Screen protection: 2.5D tempered glass with anti-fingerprint coating Button: Single touch button (wake up, go back) Wrist strap material: TPU RAM: 512K ROM: 16MB Wireless connectivity: BT5.0 BLE Sensors: 3-axis accelerometer + 3-axis gyroscope; PPG heart rate sensor; Capacitive proximity sensor Battery: LiPo, 135mAh Standby time: 20 days Charging Time: ≤ 2 hours System requirements: Android 4.4, iOS 9.0 or above Package contents: Mi Smart Band 4 x1, Wrist strap x1, Specialized charging cable x1, User guide x1 |
| Functions |
Time display | Caller ID/rejectinstant | Message display (wechat, QQ, etc.) Lift the wrist light screen | Toremind thesedentary reminder Vibrating alarm clock | Do not disturb mode | Friends and family attention Automatic step counter | Unlocks mobile | Event notification Sleep monitoring | Find cell phone | Heart rate monitoring Weather forecast | Target setting | WeChat red envelope reminder Check calorie consumption | Sports mileage | Browse notifications Dial change | Timer | Set Display Item | Low Battery Reminder | Wear Mode Select Swim Wearable | OTA Upgrade | And so on |
| Package Contents |
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