Mi Band is a best selling smart bracelet from Xiaomi with lots of useful features. Mi Band connects to your smartphone via Bluetooth and can work for 30 days with no need to recharge.

Military-grade exercise sensor - Manufactured by US-based ADI, Mi Band’s accelerometer has the lowest power consumption of any comparable sensor. Its power consumption is less than one-fifth than that of similar accelerometers.

World-class Bluetooth® 4.0 chip - The DA14580 low-energy Bluetooth® 4.0 chip manufactured by Dialog can run for over 4 years on a single 225mAh button power cell. This incredibly low energy consumption means Mi Band can go up to 30 days between charges.

Ultra-thin 8mm battery - At 8mm, Mi Band's 41 mAh battery is extremely thin and powerful. One full charge can last you 30 days - that's 4 times longer than other fitness bands.

Fitness Tracker - Pedometer - Mi Band will provide you all information about the distance which you have overcome and will calculate the number of steps traveled and calories burned.

Sleep Tracker - To feel cheerful and full of energy you just need to get enough sleep. Mi Band will help you to ensure healthy sleep and a light morning waking. With its capability to control the phases of your sleep Mi Band wakes you up in proper time and in good mood. When the morning comes Mi Band gives you a nice little buzz that wakes you up.

Real-time Bluetooth connection! Once you have connected to your phone via Bluetooth, the bracelet stays connected around the clock. Due to the low level of energy consumption you can use the bracelet without recharging for thirty days. When you open the special application for Mi Band the basic information will be displayed on your smartphone screen. Moreover, after one year of bracelet usage, all the collected data is analyzed. On the basis of this analysis you have the opportunity to get a medical advice on a healthy lifestyle.

Control incoming calls! With Mi Band bracelet you'll never miss an important phone call. Being in a noisy environment, which mutes the audio call of a smartphone, you can count on your new friend, that will notify you of an incoming call by vibration after a while.

The fitness bracelet Xiaomi Mi Band has a motion sensor and Bluetooth 4.0 chip. It is powered by 225 mAh battery, which ensures stable operation of the device for more than four years. The ultra-low power consumption level ensures continuous work of Mi Band for over 30 days. 30 days without recharging! After the battery is fully charged bracelet can be used continuously for 30 days, which is 4 times longer than the average duration of the charge of other devices.

Ingress protection IP67! The bracelet is made according to ingress protection standard IP67. It is fully dust protected and can withstand short-term water impact.

The bracelet search function - Mi band is equipped with a search function. To make a search just click on "Find Mi Band" on your smartphone and if it the bracelet is located in the range of Bluetooth signal it will vibrate and flash.

Tested to be tougher!

High-temperature testing - Subjected to temperatures of 70℃ for 128 hours continuously.
Low-temperature testing - Subjected to temperatures of -20℃ for 128 hours continuously.

Drop testing - Dropped 12 times on marble surface from a height of 1.2m.

Cosmetic resistance testing - Smeared with petroleum jelly and left for 24 hours

With white LED indicator light; APP download link: http://app.mi.com/detail/68548

Functions:
MIUI Unlock
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

Compatibility:
Supports Android 4.4 or above, Bluetooth V4.0 Android cell phones; Suitable for IPHONE 4S/5/5C/5S/6/6 PLUS with iOS 7.0 or above.

Battery Capacity 45mAh
Battery Type Li-polymer battery
Standby Time 30days

Material:
Surface: Aluminium
Shell: Makrolon
Wristband Button: Aluminium
Wristband: IPSiV

Dimensions 9.06 in x 0.67 in x 0.35 in (23 cm x 1.7 cm x 0.9 cm)

Weight 0.35 oz (10g)

Color: Black

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