Mi Smart Band 4
Color AMOLED touch display
View call, message, and app notifications
Activity and swim tracking
Water resistant up to 50m, 3-axis accelerometer, 3-axis gyroscope
Up to 20 days of battery life
A single charge lasts up to 20 days
Health monitoring
24/7 heart rate monitoring and sleep tracking
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DISPLAY
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Display type:
AMOLED
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Display size (\'):
0.95
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Horizontal resolution (pixels):
120
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Vertical resolution (pixels):
240
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Touchscreen:
Yes
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TECHNICAL DATA
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Internal memory (GB):
0.016
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Bluetooth:
Bluetooth 5.0
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Installed RAM (GB):
N.d
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OPERATING SYSTEM AND REQUIREMENTS
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Compatible operating systems:
Android 4.4
iOS 9.0 or later
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FUNCTIONS
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Functions:
Stopwatch
Alarm clock
Timer
Find my phone
Phone unlock
Event reminder
Do not disturb mode (works even without phone)
Lock screen
Music controls on the band
App: Mi Fit
Activity tracking:
Steps, distance, calories burned
6 workout modes: treadmill, exercise, outdoor running, cycling, walking, pool swimming
Health monitoring:
Workout completion notifications, goal setting, sleep tracking, heart rate monitoring, continuous heart rate tracking, resting heart rate, heart rate graph, sedentary alerts -
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CONNECTIVITY
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Sensors:
3-axis accelerometer + 3-axis gyroscope
PPG heart rate sensor
Capacitive proximity sensor
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BATTERY
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Battery type:
LiPo, 135mAh
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Battery life (h):
1200
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Charging time:
2 hours
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PHYSICAL CHARACTERISTICS
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Interchangeable strap:
Yes
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Waterproof:
Yes
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Water resistant:
Yes
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Water resistant up to (m):
50
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OTHER FEATURES
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Other features:
Color depth: 24bit
Screen brightness: up to 450 nits
Screen protection: 2.5D tempered glass with anti-fingerprint coating
Touchscreen type: On-cell capacitive touchscreen
Single touch button (wake up, back)
Removable wrist strap (Mi Smart Band 4 is compatible with Mi Band 3 straps)
Strap width: 18mm
Adjustable strap length: 155-216mm
Strap material: Thermoplastic polyurethane
Body material: Polycarbonate
Charging type: 2Pin Pogo Pin
RAM: 512KB
Motor type: Rotor
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Secure Transactions
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Shipments
We ship within 24 hours only with Express Courier and online Tracking. On average, 91% of shipments are delivered to the customer's home within 24/36 hours. For more information, visit the page.
Warranty
All new products sold are covered by a "Legal Warranty" of 2 years as per the Consumer Code. For refurbished products, the maximum warranty is 12 Months. You can also extend warranties for accidental damage and theft through CPS Warranty, more information on this page.
Returns and Refunds
You can return purchased products within 14 days without any reason. You can book a pickup with our courier at your home address. Check all conditions on this page.
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