The product has OLED Display/ Touch Operation/ Newest Wrist StrapDesign/ Upgrade Pedometer. It has Real-time Heart Rate Monitor andScientific Mmovement function.

Features:
When you use the Miband, you must download the APP named Mi Band.
OLED Display/ Touch Operation/ Newest Wrist Strap Design/ UpgradePedometer.
Time/Steps/Heart Rate Display: OLED display screen, you can see thetime/steps/heart rate with circular button touch. You can also raiseyour wrist to get the data.(Lift the wrist bright screen function setin APP)
Upgrade pedometer, more accurate.
Heart rate monitor, scientific movement.
Sedentary remind, keep fit.
Sleep monitor function, skin-friendly material strap, have a goodsleep.
Exclusive identity ID, no-password unlock: Each bracelet 2 is aseparate identity ID, when using android phones and bracelet near,no-password unlock your phone.(Only for Android 5.0 with Bluetooth 4.0Above Smartphone.)
Call/APP message vibration to remind.
IP67 waterproof, more convenient to use.(Suitable for shower shorttime)
Low power OLED display, Bluetooth 4.0, high accuracy sensor.
Xiao Sport 2.0 upgrade, more funny.

Note:
Only for Android 4.4 iOS 7.0 with Bluetooth 4.0 or Above SmartphoneXiaomi 2/2S/2A 3 4 Note 5S/6/6 Plus/6S/6S/Plus/SE.
No-Password Unlock Function Only forXiaomi2/2S/2A/3/4/Note/4C/5/4S/Redmi 1S/Redmi 2/2A 3, Redmi Note/Note2/ Note3 /Xiaomi Max Android 5.0 with Bluetooth 4.0 AboveSmartphone.

Specifications:
Brand: Xiaomi
Color: Black
Battery capacity: 70mAh
The standby time: 20 days
Bluetooth: 4.0 BLE
Screen: 0.42" OLED
Body shell: Aluminum + PC
Waterproof rate: IP67
Adjustable wristband length: 155mm to 210mm
Subject size: 4.03 * 1.57 * 1.05cm / 1.6 * 0.6 * 0.4in
Subject weight: 7g / 0.2oz
Package size: 9.6 * 9.6 * 3.1cm / 3.7 * 3.7 * 1.2in
Package weight: 87g / 3.1oz

Package list:
1 * Smart Bracelet Subject
1 * Wristband
1 * Cable