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2.413 cm (0.95´´) AMOLED, 120x240 RGB, Bluetooth 5.0 BLE, LiPo 135mAh, 22.1g

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 50mï¼›.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

Xiaomi Mi Smart Band 4.Device type:Wristband activity tracker, Product colour:Black, Housing material:Polycarbonate

Display type:AMOLED, Display diagonal:2.41 cm (0.95´´), Display resolution:120 x 240 pixels

RAM capacity:0.000512 GB, ROM capacity:16 MB

Connectivity technology:Wireless, Bluetooth version:5.0 BLE

Battery life:20 day(s), Battery technology:Lithium Polymer (LiPo), Battery capacity:135 mAh

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Gender UNISEX
Recommended Use Multisport
Features Wrist heart rate
Features Accelerometer
Brand XIAOMI