Mi Pulse 1 Band is an advanced smart bracelet from Xiaomi with lots of useful features. Mi Band connects to your smartphone via Bluetooth and can work for 20 days with no need to recharge.

This new modification of Mi Band has a new feature — the heart rate monitor.

During aerobic exercises the heart rate sensor allows you to control the pace, the heart rate, to handle the state of your movement at every moment.

Functions:
MIUI Unlock
Heart Rate Monitor
Fitness Level Monitor
Sleeping Quality Tracking
Smart Alarm
History Data
Seek Mi Band
LED Light Color setting
Total Distance Display
Average Daily Steps
Share via Social Media
Running IOS System

Battery capacity and life:
45mAh lithium polymer battery
Standby time: About 20 days

Compatibility:
Mi 4, Mi 3, Redmi Note 4G, or any device with Android 4.4 and above
iPhone models 4s and above that run on iOS 7.0 and above

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

Material:
Surface: Aluminium
Shell: Makrolon
Wristband Button: Aluminium
Wristband: IPSiV
Size:
Sensor: 37 x 13.6 x 9.9 mm
Wristband length: adjustable between 157mm and 205mm
Weight: 5.5g
Color: Black

Package:
1 x Mi Band sensor
1 x Band
1 x Charger
1 x English Manual