Xiaomi Mi Band 4 - activity tracker, Black

Technical details
Original model name	Mi Band 4
System requirements
Mobile operating systems supported	Android 4.4, Android 5.0, Android 5.1, Android 6.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 10.0, iOS 11.0, iOS 12, iOS 9.0, iOS 9.1, iOS 9.2, iOS 9.3
Ports & interfaces
Bluetooth version	5.0
Bluetooth
Wi-Fi
Weight & dimensions
Weight	22.1 g
Energy management
Battery technology	Lithium Polymer (LiPo)
Battery capacity	135 mAh
Charging time	2 h
Rechargeable battery
Battery operated
Charging source	USB
Battery life	20 day(s)
Packaging content
User guide
USB charger included
Number of bands included	1
Other features
Connectivity technology	Wireless
Applications supported	Mi Fit
Design
Product colour	Black
Device type	Wristband activity tracker
Control type	Touch
Waterproof up to	50 m
Housing material	Polycarbonate (PC)
Waterproof
Band material	Thermoplastic polyurethane
Adjustable
Band colour	Black
Maximum strap length	21.6 cm
Minimum strap length	15.5 cm
Water resistance	5 ATM
Suggested gender	Unisex
Removable strap
Performance
Display diagonal	2.41 cm (0.95")
Display resolution	120 x 240 pixels
Touchscreen
ROM capacity	16 MB
RAM capacity	0.000512 GB
Display type	AMOLED
Colour display
Features
Alarm clock
Vibrating alert
Stopwatch
Heart rate monitor
Do not disturb function
Accelerometer
Gyroscope
Date indication
Pedometer
Vibrating motor
Find my phone function
Position location
Active minutes
Calories burned
Distance travelled
Personal goals
Quality of sleep
Workout tracking
Eat & drink
Hours slept
Timer
Call notifications
SMS notifications
EAN	6934177710377

Mi Smart Band 4

Step up, live more
Full colour display and heart rate monitor

Your transformation begins now.

Full colour AMOLED touch display
View call, text, and app notifications

Activity and swim tracking
Water resistant up to 50m*；
3-axis accelerometer,
3-axis gyroscope

Up to 20 days battery*
A single charge lasts up to 20 days.

Health monitoring
24/7 heart rate monitoring and sleep tracking.

A BEAUTIFUL TRANSFORMATION
Get a wider, more colourful view right on your wrist.

The all-new full colour AMOLED touch display that’s 39.9% larger* and brighter than ever before.

Instantly view call, text, app notifications and music in play.
Keep your hands free as you keep up with life.

A MOTIVATIONAL TRANSFORMATION
Your personal trainer is with you every step of the way.

A REINVIGORATED TRANSFORMATION
Improving your daily energy starts with understanding your sleep patterns.

Sleep monitoring
Accurately tracks light and deep sleep as well as heart rate during sleep to help you adjust your sleep patterns.

Wristband alarm
A light vibration gently wakes you up for a more comfortable morning.

Mi Fit app
Records your health data to help you get the most out of life.

A POWERFUL TRANSFORMATION
24/7 Heart rate monitoring keeps you safe and healthy.

24/7 Heart rate monitoring
Safeguard your health at all times.
Alerts you when your heart rate is too high.

Idle alerts
Stay active as you get reminders to get up and get moving.

AN ENDURING TRANSFORMATION
Stays by your side for 20 days on a single charge.

No price development information for this product.

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