Mi Band 2

Time to step up

OLED display|Touch button|All-new design|Improved pedometer algorithm

More stats than steps

Mi Band 2 uses an OLED display so you can see more at a glance. Simply lift your wrist* to view time and tap the button for steps and heart rate.

  • Time
  • Steps
  • Heart rate

*Feature must be turned on in settings

Calculates the spring in your step

The improved pedometer algorithm in Mi Band 2 filters out unnecessary movements. This measures steps taken and exercise more accurately.

Count every heartbeat

With a built-in motion sensor, Mi Band 2 knows exactly when you begin your workout. You don't have to switch modes or tell it before you start. Measure your heart rate to adjust the length and intensity of workouts. Keep calm and work toward your fitness goals!

Sitting still for too long?

Idle alerts send a gentle nudge when you have been sitting still for too long. These reminders tell you when it's time for a short walk or water break.

Had your daily run yet?

Daily runs are great for keeping fit and healthy. Sync with the Mi Fit app to monitor your running speed and heart rate in real time.

How well did you sleep?

Your heart rate drops when you enter deep sleep. Heart rate sleep assistant measures heart rate while you are asleep so that light and deep sleep patterns are tracked more precisely.

Unlocks in an instant

Mi Band 2 carries your unique identity. When you are close to your Android smartphone, it unlocks instantly - no passcodes or fingerprint needed.

Incoming call and message alerts

Send notification alerts straight to the wrist so you don't miss another call, message, or notification - especially when your phone is tucked away in a bag or pocket.

IP67 splash resistant

Rinse hands or shower with Mi Band 2 without worry. Mi Band 2 is durable and resistant against water splashes, sweat, cosmetics, dust and more.

  • Splash resistant
  • Dust resistant
  • Corrosion resistant

Refined from within

The glossy black display is UV coated and resistant to scratches and fingerprints. Textured for a better touch, the anodized button has 0.05mm ripples etched across the surface, in a pattern similar to that on CDs.

Power-efficient OLED display

See more using less power on the customized OLED display. Simply tap on the button to check your latest stats.

Power-efficient OLED display

Connect with Bluetooth 4.2

2nd generation low-energy Bluetooth 4.2 chipset provides fast, stable connections while consuming less power. This ensures a long battery life and stable data transmissions.

Connect with Bluetooth 4.2

20-day battery life

Get up to an astounding 20 days of battery life on Mi Band 2. The high-density lithium polymer battery is small, light, and extremely longlasting.

20-day battery life

Senses with precision

The high-precision accelorometer and heart rate sensors are not just accurate, they are also extremely power-efficient.

Senses with precision

Snug on your wrist

The band holds the sensor tightly in place and sits snugly on your wrist, even throughout the most vigorous exercises.

Hypoallergic properties

The band is smooth to touch and comfortable even for people with sensitive skin.

Tested to be tougher

  • Heat tested 70°C

    Heat tested

    Subject to 70°C conditions for 128 hours

  • Cold tested -20°C

    Cold tested

    Tested for 128 hours under -20℃

  • Drop tested 1.2m

    Drop tested

    Drop tested 12 times from a 1.2m height on a marble surface

  • Corrosion resistant

    Corrosion tested

    Smeared with petroleum jelly and left for 24 hours

In-depth with the Mi Fit app

View daily, weekly, and monthly history for steps, sleep and heart rate via the Mi Fit app. It is the one place to get instant statistics and allows you to manage alarms, notification alerts, and more.

Color your runs

Add a pop of colour to any outfit with interchangeable, brightly coloured bands. Available in black, orange, green, and blue.

* All data are provided by Huami Lab. Actual usage may vary depending on environment, frequency of use, and other factors.

Mi Band 2 規格

Battery capacity: 70mAh

Standby time: 20 days

Battery type: Lithium polymer

Input current: 45 mA (typ) 65mA (max)



Sensor material

Plastic, aluminum alloy




0.42" OLED display

Bluetooth 4.2 BLE

Power-efficient accelerometer Photoelectric heart rate sensor


Total length: 235mm

Adjustable length: 155-210mm

Material: Thermoplastic elastomer, aluminum alloy


Devices with Android 4.4, iOS 7.0 or above with Bluetooth® 4.2 support

Compatible phones:
Devices with Android 4.4 and above, such as Mi 3, Mi 4, Mi 4i, Mi 5, Mi Max, Redmi Note 4G, Redmi Note Prime, Redmi 1S, Redmi 2, Redmi 2 Prime, Redmi Note 3, Redmi 3S, Redmi 3S Prime, Redmi 3S+

Devices with iOS 7.0 and above, such as iPhone models 4s and later.

Mi Band's phone unlocking feature requires smartphones with MIUI or Android 5.0 and above.

In the box

Mi Band sensor, band, charger, user guide, warranty card