Mi band 4 features and reviews.

Mi band 4

Mi band 4 Xiaomi

Global Version Fitness Tracker Fashion Touch Screen Smart Watch Sport Wristband Bracelet Heart Rate Monitor Activity Workout 50M Waterproof Pedometer Weather Forecast Reminder Sleep. 

About this item

Battery: 

135mAh battery capacity (max working time up to 20 days after a full charging). [More]

Monitoring: 
  • Support heart rate monitoring
  • heart rate alerts
  • sleep monitoring
  • idle alerts

Activity Tracking:

Comes with 8 workout modes:
  • Treadmill
  • Exercise
  • Distance
  • Cycling
  • Walking
  • Outdoor running
  • Swimming Counting step
  • calories burned during sports

Water Resistant:

[5ATM]  Up to 50 meters water resistant rate.

Display:

0. 95-inch Colorful AMOLED display with 120 x 240 pixels resolution. [More]

Product details

Sensors: 3axis accelerometer, 3axis gyroscope, Capacitive proximity sensor, Optical heart rate sensor 

Basic Features:
  • Timer
  • Stopwatch
  • Lock screen
  • Alarm clock
  • Phone unlock
  • Find my phone
  • Do not disturb mode
  • Music controls on band 
Special Features:

Swimming: Recognizes 5 different swim styles. [Source]

Battle ropes: Mi Smart Band 4 will track your heart rate, calories burned and more.

Power walking: 5 core data sets.

Cycling: Check your heart rate in real time.

Running: Tracks your pace and step count.


Connectivity & System: Support BT 5.0 (Low energy), and support Android 4.4, iOS 9.0 and above.

Screen:
  • Brightness: Up to 450 nits.
  • Screen size: 0. 95inches.
  • Display: 120 x 240 pixels.
  • Color depth: 24 bit.
  • Touch: On-cell capacitive touchscreen.
  • Protection: 5D tempered glass with anti-fingerprint coating.
Other details:

Button: Single touching button (wake up, go back) Wrist strap. [More]

material: TPU RAM: 512K ROM: 16MB NFC: No 

Wireless connectivity: BT5. 0 BLE Six 

Product weight: Approx. 22. 1g/0. 78oz

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Top reviews from customers

IndiaMART   [Source]
3.7 /5 
★★★★★
★★★★★
 (40 Reviews)

Flipkart    [Source]
4.3
62,879 Ratings & 7,444 Reviews

Amazon   [Source]
4.4 out of 54.4 out of 5  





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