Mi Smart Band 4

  • Mi
  • 2,901 User Ratings
  • Last Updated: 16th June 2026
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Key Specs
  • Display Type AMOLED
  • Water Resistant Yes
  • Heart Rate Monitor Yes
  • Compatible Devices Android, iOS Phones
  • Battery Life (Days) 20
Market Status Released

Mi Smart Band 4 Review

  • Good
  • Accurate activity tracking
  • Vibrant display
  • Swim-proof
  • Custom vibration patterns for notifications
  • Decent battery life
  • Bad
  • Proprietary, ill-fitting charger
  • Several tracking features disabled by default

Mi Smart Band 4 is an affordable fitness band from Xiaomi. With this, the fourth iteration of the Mi Band, Xiaomi has introduced a colour display and swim tracking, and still claims to offer 20-day battery life. The Mi Band lineup began with a product that didn't even have a display and now we get a device with an AMOLED colour display and lots of watch faces, which are nice to have. The Mi Smart Band 4 costs a little more than the Mi Band 3, but are its new features worth the asking price? We used it for a week to find out.

Mi Smart Band 4 Price in India

Mi Smart Band 4 price in India starts from ₹ 2,298. The lowest price of Mi Smart Band 4 is ₹ 2,298 at Amazon on 16th June 2026.

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Mi Smart Band 4 Full Specifications

General
Brand Mi
Model Smart Band 4
Price in India ₹2,298
Model Name Band 4
Color Black
Ideal For Unisex
Material Thermoplastic
Suitable For Health, Lifestyle
Touch Enabled Yes
Water Resistant Yes
Dial Shape Rectangle
Display and battery features
Display Resolution 120 x 240 RGB
Display Type AMOLED
Battery Life (Days) 20
Battery Type Lithium Ion (Li-ion)
Charge Time (hours) 2
Battery Capacity (mAh) 135
Performance features
Shock Resistant Yes
Water-Resistant Depth (metres) 50
Connectivity features
Wi-Fi Enabled No
Bluetooth Enabled Yes
Bluetooth Version v5.0
Compatibility
Compatible Devices Android, iOS Phones
Activity tracking function
Calories Burned Yes
Distance Covered Yes
Heart Rate Monitor Yes
Phone Notifications Yes
Sleep Tracking Yes
Step Counter 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
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Mi Smart Band 4 User Review and Ratings

4.3 2,901 ratings &
2,901 reviews
  • 5 ★
    1,831
  • 4 ★
    648
  • 3 ★
    172
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